• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1<?xml version="1.0" encoding="UTF-8" ?>
2<!DOCTYPE supplementalData SYSTEM "../../common/dtd/ldmlSupplemental.dtd">
3<!--
4Copyright © 1991-2013 Unicode, Inc.
5CLDR data files are interpreted according to the LDML specification (http://unicode.org/reports/tr35/)
6For terms of use, see http://www.unicode.org/copyright.html
7-->
8
9<supplementalData>
10    <version number="$Revision$"/>
11    <unitIdComponents>
12    	<unitIdComponent type="prefix" values="arc british dessert fluid light nautical xxx x curr"/>
13		<unitIdComponent type="suffix" values="force imperial luminosity mass metric person radius scandinavian troy unit it us energy density cloth length jp"/>
14		<unitIdComponent type="power" values="square cubic pow2 pow3 pow4 pow5 pow6 pow7 pow8 pow9 pow10 pow11 pow12 pow13 pow14 pow15"/>
15		<unitIdComponent type="and" values="and"/>
16		<unitIdComponent type="per" values="per"/>
17    </unitIdComponents>
18    <unitPrefixes>
19		<unitPrefix type='quecto' symbol='q' power10='-30'/>
20		<unitPrefix type='ronto' symbol='r' power10='-27'/>
21		<unitPrefix type='yocto' symbol='y' power10='-24'/>
22		<unitPrefix type='zepto' symbol='z' power10='-21'/>
23		<unitPrefix type='atto' symbol='a' power10='-18'/>
24		<unitPrefix type='femto' symbol='f' power10='-15'/>
25		<unitPrefix type='pico' symbol='p' power10='-12'/>
26		<unitPrefix type='nano' symbol='n' power10='-9'/>
27		<unitPrefix type='micro' symbol='μ' power10='-6'/>
28		<unitPrefix type='milli' symbol='m' power10='-3'/>
29		<unitPrefix type='centi' symbol='c' power10='-2'/>
30		<unitPrefix type='deci' symbol='d' power10='-1'/>
31		<unitPrefix type='deka' symbol='da' power10='1'/>
32		<unitPrefix type='hecto' symbol='h' power10='2'/>
33		<unitPrefix type='kilo' symbol='k' power10='3'/>
34		<unitPrefix type='mega' symbol='M' power10='6'/>
35		<unitPrefix type='giga' symbol='G' power10='9'/>
36		<unitPrefix type='tera' symbol='T' power10='12'/>
37		<unitPrefix type='peta' symbol='P' power10='15'/>
38		<unitPrefix type='exa' symbol='E' power10='18'/>
39		<unitPrefix type='zetta' symbol='Z' power10='21'/>
40		<unitPrefix type='yotta' symbol='Y' power10='24'/>
41		<unitPrefix type='ronna' symbol='R' power10='27'/>
42		<unitPrefix type='quetta' symbol='Q' power10='30'/>
43		<unitPrefix type='kibi' symbol='Ki' power2='10'/>
44		<unitPrefix type='mebi' symbol='Mi' power2='20'/>
45		<unitPrefix type='gibi' symbol='Gi' power2='30'/>
46		<unitPrefix type='tebi' symbol='Ti' power2='40'/>
47		<unitPrefix type='pebi' symbol='Pi' power2='50'/>
48		<unitPrefix type='exbi' symbol='Ei' power2='60'/>
49		<unitPrefix type='zebi' symbol='Zi' power2='70'/>
50		<unitPrefix type='yobi' symbol='Yi' power2='80'/>
51	</unitPrefixes>
52    <unitConstants>
53        <unitConstant constant="lb_to_kg" value="0.45359237"/>
54        <unitConstant constant="ft_to_m" value="0.3048"/>
55        <unitConstant constant="ft2_to_m2" value="ft_to_m*ft_to_m"/>
56        <unitConstant constant="ft3_to_m3" value="ft_to_m*ft_to_m*ft_to_m"/>
57        <unitConstant constant="in3_to_m3" value="ft3_to_m3/12*12*12"/>
58        <unitConstant constant="gal_to_m3" value="231*in3_to_m3"/>
59        <unitConstant constant="gal_imp_to_m3" value="0.00454609"/>
60        <unitConstant constant="glucose_molar_mass" value="180.1557" description="derivation from the mean atomic weights according to STANDARD ATOMIC WEIGHTS 2019 on https://ciaaw.org/atomic-weights.htm"/>
61        <unitConstant constant="item_per_mole" value="6.02214076E+23"/>
62        <unitConstant constant="speed_of_light_meters_per_second" value="299792458"/>
63        <unitConstant constant="sec_per_julian_year" value="31557600"/>
64        <unitConstant constant="meters_per_AU" value="149597870700" description="https://www.iau.org/public/themes/measuring/"/>
65
66        <unitConstant constant="sho_to_m3" value="2401/1331*1000" description="https://en.wikipedia.org/wiki/Japanese_units_of_measurement"/>
67        <unitConstant constant="tsubo_to_m2" value="400/121" description="https://en.wikipedia.org/wiki/Japanese_units_of_measurement"/>
68        <unitConstant constant="shaku_to_m" value="4/121" description="https://en.wikipedia.org/wiki/Japanese_units_of_measurement"/>
69
70        <unitConstant constant="gravity" value="9.80665"/>
71        <unitConstant constant="PI" value="411557987 / 131002976" status='approximate'/>
72        <unitConstant constant="G" value="6.67408E-11" status='approximate' description="https://arxiv.org/pdf/1510.07674.pdf see 2014 CODATA"/>
73        <unitConstant constant="AMU" value="1.66053878283E-27" status='approximate' description="https://www.nist.gov/pml/special-publication-811/nist-guide-si-chapter-5-units-outside-si#table7"/>
74    </unitConstants>
75    <unitQuantities>
76        <!-- NB: quantity ordering is used in canonical order of derived units. -->
77
78        <!-- SI Base Units -->
79
80        <unitQuantity baseUnit='candela' quantity='luminous-intensity' status='simple'/>
81        <unitQuantity baseUnit='candela-per-square-meter' quantity='illuminance'/>
82        <unitQuantity baseUnit='candela-square-meter-per-square-meter' quantity='luminous-flux'/>
83
84        <unitQuantity baseUnit='kilogram' quantity='mass' status='simple'/>
85        <unitQuantity baseUnit='kilogram-per-kilogram' quantity='mass-fraction'/>
86        <unitQuantity baseUnit='kilogram-per-cubic-meter' quantity='mass-density'/>
87        <unitQuantity baseUnit='kilogram-per-meter-square-second' quantity='pressure'/>
88        <unitQuantity baseUnit='kilogram-per-square-second-ampere' quantity='magnetic-induction'/>
89        <unitQuantity baseUnit='kilogram-meter-per-square-second' quantity='force'/>
90        <unitQuantity baseUnit='kilogram-square-meter-per-cubic-second' quantity='power'/>
91        <unitQuantity baseUnit='kilogram-square-meter-per-cubic-second-ampere' quantity='voltage'/>
92        <unitQuantity baseUnit='kilogram-square-meter-per-cubic-second-square-ampere' quantity='electric-resistance'/>
93        <unitQuantity baseUnit='kilogram-square-meter-per-square-second' quantity='energy'/>
94        <unitQuantity baseUnit='kilogram-square-meter-per-square-second-ampere' quantity='magnetic-flux'/>
95        <unitQuantity baseUnit='kilogram-square-meter-per-square-second-square-ampere' quantity='electric-inductance'/>
96
97        <unitQuantity baseUnit='cubic-meter' quantity='volume'/>
98        <unitQuantity baseUnit='cubic-meter-per-kilogram' quantity='specific-volume'/>
99        <unitQuantity baseUnit='cubic-meter-per-meter' quantity='consumption'/>
100        <unitQuantity baseUnit='square-meter' quantity='area'/>
101        <unitQuantity baseUnit='square-meter-per-square-second' quantity='ionizing-radiation'/>
102        <unitQuantity baseUnit='meter' quantity='length' status='simple'/>
103        <unitQuantity baseUnit='meter-per-second' quantity='speed'/>
104        <unitQuantity baseUnit='meter-per-square-second' quantity='acceleration'/>
105
106        <unitQuantity baseUnit='kilogram-per-square-meter-square-second' quantity='pressure-per-length'/> <!-- special ordering for ofhg -->
107
108        <unitQuantity baseUnit='pow4-second-square-ampere-per-kilogram-square-meter' quantity='electric-capacitance'/>
109        <unitQuantity baseUnit='cubic-second-square-ampere-per-kilogram-square-meter' quantity='electric-conductance'/>
110        <unitQuantity baseUnit='second' quantity='duration' status='simple'/> <!-- use duration because 'time' can mean absolute time -->
111        <unitQuantity baseUnit='second-ampere' quantity='electric-charge'/>
112
113        <!-- special duration, because months..years are not comparable to seconds -->
114        <unitQuantity baseUnit='year' quantity='year-duration' status='simple'/> <!-- non-SI but here for ordering -->
115
116        <!-- special duration, because nights are not comparable to seconds -->
117        <unitQuantity baseUnit='night' quantity='night-duration' status='simple'/>
118
119        <unitQuantity baseUnit='ampere' quantity='electric-current' status='simple'/>
120        <unitQuantity baseUnit='ampere-per-square-meter' quantity='current-density'/>
121        <unitQuantity baseUnit='ampere-per-meter' quantity='magnetic-field-strength'/>
122
123        <unitQuantity baseUnit='kelvin' quantity='temperature' status='simple'/>
124
125        <!-- Non-SI base units -->
126
127        <unitQuantity baseUnit='square-revolution' quantity='solid-angle'/>    <!-- use for base instead of radian, to avoid rounding -->
128        <unitQuantity baseUnit='revolution' quantity='angle' status='simple'/> <!-- use for base instead of radian, to avoid rounding -->
129        <unitQuantity baseUnit='revolution-per-meter' quantity='wave-number'/>
130        <unitQuantity baseUnit='revolution-per-second' quantity='frequency'/>
131
132        <unitQuantity baseUnit='item' quantity='substance-amount' status='simple'/> <!-- use instead of mole -->
133        <unitQuantity baseUnit='item-per-kilogram' quantity='concentration-mass'/>
134        <unitQuantity baseUnit='item-per-cubic-meter' quantity='concentration'/>
135        <unitQuantity baseUnit='item-per-second' quantity='catalytic-activity'/>
136
137        <unitQuantity baseUnit='per-second' quantity='radioactivity'/>
138
139        <unitQuantity baseUnit='portion' quantity='portion' status='simple'/>
140
141        <unitQuantity baseUnit='bit' quantity='digital' status='simple'/>
142
143        <unitQuantity baseUnit='pixel' quantity='graphics' status='simple'/>
144
145        <unitQuantity baseUnit='pixel-per-meter' quantity='resolution'/>
146
147        <unitQuantity baseUnit='em' quantity='typewidth' status='simple'/>
148    </unitQuantities>
149    <convertUnits>
150        <!-- Values where possible from:
151        a) NIST Special Publication 1038
152        https://www.govinfo.gov/content/pkg/GOVPUB-C13-f10c2ff9e7af2091314396a2d53213e4/pdf/GOVPUB-C13-f10c2ff9e7af2091314396a2d53213e4.pdf
153        b) https://arxiv.org/pdf/1510.07674.pdf
154        See also https://www.nist.gov/pml/special-publication-811/nist-guide-si-chapter-4-two-classes-si-units-and-si-prefixes
155         -->
156
157        <!-- luminous-intensity -->
158        <convertUnit source='candela' baseUnit='candela' systems="si metric prefixable"/>
159
160        <!-- mass -->
161        <convertUnit source='dalton' baseUnit='kilogram' factor='AMU' systems="si_acceptable metric prefixable"/>
162        <convertUnit source='grain' baseUnit='kilogram' factor='lb_to_kg/7000' systems="ussystem uksystem"/>
163        <convertUnit source='carat' baseUnit='kilogram' factor='0.0002' systems="metric_adjacent ussystem uksystem"/>
164        <convertUnit source='gram' baseUnit='kilogram' factor='0.001' systems="si metric prefixable"/>
165        <convertUnit source='ounce' baseUnit='kilogram' factor='lb_to_kg/16' systems="ussystem uksystem"/>
166        <convertUnit source='ounce-troy' baseUnit='kilogram' factor='0.03110348' systems="ussystem uksystem"/>
167        <convertUnit source='pound' baseUnit='kilogram' factor='lb_to_kg' systems="ussystem uksystem"/>
168        <convertUnit source='kilogram' baseUnit='kilogram' systems="si metric"/>
169        <convertUnit source='stone' baseUnit='kilogram' factor='lb_to_kg*14' systems="uksystem"/>
170        <convertUnit source='slug' baseUnit='kilogram' factor='lb_to_kg*gravity/ft_to_m' systems="ussystem uksystem"/>
171        <convertUnit source='ton' baseUnit='kilogram' factor='lb_to_kg*2000' systems="ussystem uksystem"/>
172        <convertUnit source='tonne' baseUnit='kilogram' factor='1000' systems="si_acceptable metric prefixable"/>
173        <convertUnit source='earth-mass' baseUnit='kilogram' factor='5.9722E+24' systems="astronomical"/>
174        <convertUnit source='solar-mass' baseUnit='kilogram' factor='1.98847E+30' systems="astronomical"/>
175
176        <!-- volume -->
177        <convertUnit source='drop' baseUnit='cubic-meter' factor='gal_to_m3/128*576' systems="ussystem"/>
178        <convertUnit source='pinch' baseUnit='cubic-meter' factor='gal_to_m3/128*128' systems="ussystem"/>
179        <convertUnit source='dessert-spoon' baseUnit='cubic-meter' factor='gal_to_m3/16*128' systems="ussystem"/>
180        <convertUnit source='dessert-spoon-imperial' baseUnit='cubic-meter' factor='gal_imp_to_m3/16*128' systems="uksystem"/>
181        <convertUnit source='dram' baseUnit='cubic-meter' factor='gal_to_m3/128*8' systems="ussystem"/>
182        <convertUnit source='teaspoon' baseUnit='cubic-meter' factor='gal_to_m3/16*48' systems="ussystem"/>
183        <convertUnit source='tablespoon' baseUnit='cubic-meter' factor='gal_to_m3/256' systems="ussystem"/>
184        <convertUnit source='fluid-ounce-imperial' baseUnit='cubic-meter' factor='gal_imp_to_m3/160' systems="uksystem"/>
185        <convertUnit source='fluid-ounce' baseUnit='cubic-meter' factor='gal_to_m3/128' systems="ussystem"/>
186        <convertUnit source='jigger' baseUnit='cubic-meter' factor='gal_to_m3*3/128*2' systems="ussystem"/>
187        <convertUnit source='cup' baseUnit='cubic-meter' factor='gal_to_m3/16' systems="ussystem"/>
188        <convertUnit source='cup-metric' baseUnit='cubic-meter' factor='0.00025'  systems="metric_adjacent"/>
189        <convertUnit source='pint' baseUnit='cubic-meter' factor='gal_to_m3/8' systems="ussystem"/>
190        <convertUnit source='pint-metric' baseUnit='cubic-meter' factor='0.0005' systems="metric_adjacent"/>
191        <convertUnit source='pint-imperial' baseUnit='cubic-meter' factor='gal_imp_to_m3/8' systems="uksystem"/>
192        <convertUnit source='quart' baseUnit='cubic-meter' factor='gal_to_m3/4' systems="ussystem"/>
193        <convertUnit source='liter' baseUnit='cubic-meter' factor='0.001' systems="si_acceptable metric prefixable"/>
194        <convertUnit source='quart-imperial' baseUnit='cubic-meter' factor='gal_imp_to_m3/4' systems="uksystem"/>
195        <convertUnit source='gallon' baseUnit='cubic-meter' factor='gal_to_m3' systems="ussystem"/>
196        <convertUnit source='gallon-imperial' baseUnit='cubic-meter' factor='gal_imp_to_m3' systems="uksystem"/>
197        <convertUnit source='bushel' baseUnit='cubic-meter' factor='2150.42*in3_to_m3' systems="ussystem"/>
198        <convertUnit source='barrel' baseUnit='cubic-meter' factor='42*gal_to_m3' systems="ussystem"/> <!-- oil -->
199
200        <!-- area -->
201        <convertUnit source='dunam' baseUnit='square-meter' factor='1000' systems="metric_adjacent"/>
202        <convertUnit source='acre' baseUnit='square-meter' factor='ft2_to_m2 * 43560' systems="ussystem uksystem"/>
203        <convertUnit source='hectare' baseUnit='square-meter' factor='10000' systems="si_acceptable metric"/>
204
205        <!-- length -->
206        <convertUnit source='point' baseUnit='meter' factor='ft_to_m/864' systems="metric_adjacent ussystem uksystem"/>
207        <convertUnit source='inch' baseUnit='meter' factor='ft_to_m/12' systems="ussystem uksystem"/>
208        <convertUnit source='foot' baseUnit='meter' factor='ft_to_m' systems="ussystem uksystem"/>
209        <convertUnit source='yard' baseUnit='meter' factor='ft_to_m*3' systems="ussystem uksystem"/>
210        <convertUnit source='meter' baseUnit='meter' systems="si metric prefixable"/>
211        <convertUnit source='fathom' baseUnit='meter' factor='ft_to_m * 6' systems="ussystem uksystem"/>
212        <convertUnit source='rod' baseUnit='meter' factor='ft_to_m*16.5' systems="ussystem uksystem"/>
213        <convertUnit source='chain' baseUnit='meter' factor='ft_to_m*66' systems="ussystem uksystem"/>
214        <convertUnit source='furlong' baseUnit='meter' factor='ft_to_m*660' systems="ussystem uksystem"/>
215        <convertUnit source='mile' baseUnit='meter' factor='ft_to_m*5280' systems="ussystem uksystem"/>
216        <convertUnit source='nautical-mile' baseUnit='meter' factor='1852' systems="ussystem uksystem si_acceptable"/>
217        <convertUnit source='mile-scandinavian' baseUnit='meter' factor='10000' systems="metric_adjacent"/>
218        <convertUnit source='100-kilometer' baseUnit='meter' factor='100000' systems="si metric"/>
219        <convertUnit source='earth-radius' baseUnit='meter' factor='6.3781E6' systems="astronomical"/>
220        <convertUnit source='solar-radius' baseUnit='meter' factor='695700000' systems="astronomical"/>
221        <convertUnit source='astronomical-unit' baseUnit='meter' factor='meters_per_AU' systems="astronomical si_acceptable"/>
222        <convertUnit source='light-year' baseUnit='meter' factor='speed_of_light_meters_per_second*sec_per_julian_year' systems="astronomical"/>
223        <convertUnit source='parsec' baseUnit='meter' factor='meters_per_AU*60*60*180/PI' systems="astronomical prefixable"/> <!-- https://www.iau.org/public/themes/measuring/ distance where 1 AU subtends 1 arcsecond -->
224
225        <!-- time -->
226        <convertUnit source='second' baseUnit='second' systems="si metric prefixable ussystem uksystem astronomical"/>
227        <convertUnit source='minute' baseUnit='second' factor='60' systems="si_acceptable metric_adjacent prefixable ussystem uksystem astronomical"/>
228        <convertUnit source='hour' baseUnit='second' factor='3600' systems="si_acceptable metric_adjacent prefixable ussystem uksystem astronomical"/>
229        <convertUnit source='day' baseUnit='second' factor='86400' systems="si_acceptable metric_adjacent prefixable ussystem uksystem astronomical"/>
230        <convertUnit source='day-person' baseUnit='second' factor='86400' systems="person_age"/>
231        <convertUnit source='week' baseUnit='second' factor='86400*7' systems="metric_adjacent ussystem uksystem astronomical"/>
232        <convertUnit source='week-person' baseUnit='second' factor='86400*7' systems="person_age"/>
233        <convertUnit source='fortnight' baseUnit='second' factor='86400*14' systems="ussystem uksystem"/>
234
235        <!-- year-duration -->
236        <convertUnit source='month' baseUnit='year' factor='1/12' systems="metric_adjacent ussystem uksystem astronomical"/>
237        <convertUnit source='month-person' baseUnit='year' factor='1/12' systems="person_age"/>
238        <convertUnit source='quarter' baseUnit='year' factor='1/4' systems="metric_adjacent"/>
239        <convertUnit source='year' baseUnit='year' systems="metric_adjacent prefixable ussystem uksystem astronomical"/>
240        <convertUnit source='year-person' baseUnit='year' systems="person_age"/>
241        <convertUnit source='decade' baseUnit='year' factor='10' systems="metric_adjacent ussystem uksystem astronomical"/>
242        <convertUnit source='century' baseUnit='year' factor='100' systems="metric_adjacent ussystem uksystem astronomical"/>
243
244        <!-- night-duration -->
245        <convertUnit source='night' baseUnit='night' systems="metric_adjacent uksystem ussystem"/>
246
247        <!-- electric-current -->
248        <convertUnit source='ampere' baseUnit='ampere' systems="si metric prefixable"/>
249
250        <!-- temperature -->
251        <convertUnit source='rankine' baseUnit='kelvin' factor='5/9' systems="ussystem uksystem"/>
252        <convertUnit source='fahrenheit' baseUnit='kelvin' factor='5/9' offset='2298.35/9' systems="ussystem uksystem"/>
253        <convertUnit source='kelvin' baseUnit='kelvin' systems="si metric prefixable"/>
254        <convertUnit source='celsius' baseUnit='kelvin' offset='273.15' systems="si metric"/>
255
256        <!-- angle -->
257        <convertUnit source='arc-second' baseUnit='revolution' factor='1/360*60*60' systems="si_acceptable metric_adjacent ussystem uksystem astronomical"/>
258        <convertUnit source='arc-minute' baseUnit='revolution' factor='1/360*60' systems="si_acceptable metric_adjacent ussystem uksystem astronomical"/>
259        <convertUnit source='degree' baseUnit='revolution' factor='1/360' systems="si_acceptable metric_adjacent ussystem uksystem astronomical"/>
260        <convertUnit source='radian' baseUnit='revolution' factor='1/2*PI' systems="si metric"/>
261        <convertUnit source='revolution' baseUnit='revolution' systems="metric_adjacent ussystem uksystem"/>
262
263        <!-- substance-amount -->
264        <convertUnit source='item' baseUnit='item' systems="metric_adjacent ussystem uksystem"/>
265        <convertUnit source='mole' baseUnit='item' factor='item_per_mole' systems="si metric prefixable"/>
266
267        <!-- portion -->
268        <convertUnit source='permillion' baseUnit='portion' factor='1/1000000' systems="metric_adjacent ussystem uksystem"/>
269        <convertUnit source='permyriad' baseUnit='portion' factor='1/10000' systems="metric_adjacent ussystem uksystem"/>
270        <convertUnit source='permille' baseUnit='portion' factor='1/1000' systems="metric_adjacent ussystem uksystem"/>
271        <convertUnit source='percent' baseUnit='portion' factor='1/100' systems="metric_adjacent ussystem uksystem"/>
272        <convertUnit source='karat' baseUnit='portion' factor='1/24' systems="metric_adjacent ussystem uksystem"/>
273        <convertUnit source='portion' baseUnit='portion' systems="metric_adjacent ussystem uksystem"/>
274
275        <!-- digital -->
276        <convertUnit source='bit' baseUnit='bit' systems="metric_adjacent prefixable ussystem uksystem"/>
277        <convertUnit source='byte' baseUnit='bit' factor='8' systems="metric_adjacent prefixable ussystem uksystem"/>
278
279        <!-- graphics -->
280        <convertUnit source='dot' baseUnit='pixel' systems="metric_adjacent ussystem uksystem"/>
281        <convertUnit source='pixel' baseUnit='pixel' systems="metric_adjacent ussystem uksystem prefixable"/>
282
283        <!-- typewidth -->
284        <convertUnit source='em' baseUnit='em' systems="metric_adjacent ussystem uksystem"/>
285
286        <!-- frequency -->
287        <convertUnit source='hertz' baseUnit='revolution-per-second' systems="si metric prefixable"/>
288
289        <!-- force -->
290        <convertUnit source='newton' baseUnit='kilogram-meter-per-square-second' systems="si metric prefixable"/>
291        <convertUnit source='pound-force' baseUnit='kilogram-meter-per-square-second' factor='lb_to_kg * gravity' systems="ussystem uksystem"/>
292        <convertUnit source='kilogram-force' baseUnit='kilogram-meter-per-square-second' factor='gravity' systems='metric_adjacent'/>
293
294        <!-- pressure -->
295        <convertUnit source='pascal' baseUnit='kilogram-per-meter-square-second' systems="si metric prefixable"/>
296        <convertUnit source='bar' baseUnit='kilogram-per-meter-square-second' factor='100000' systems="si_acceptable metric prefixable"/>
297        <convertUnit source='atmosphere' baseUnit='kilogram-per-meter-square-second' factor='101325' systems="ussystem uksystem "/>
298        <convertUnit source='gasoline-energy-density' baseUnit='kilogram-per-meter-square-second' factor='33.705 * 3600 * 1000/gal_to_m3'  systems="ussystem uksystem" description="Constructed so that 1 gallon-gasoline-energy-density = 33.705 kWh as per https://www3.epa.gov/otaq/gvg/learn-more-technology.htm"/>
299
300        <!-- pressure-per-length -->
301        <convertUnit source='ofhg' baseUnit='kilogram-per-square-meter-square-second' factor='13595.1*gravity' systems="metric_adjacent uksystem ussystem"/>
302
303        <!-- energy -->
304        <convertUnit source='electronvolt' baseUnit='kilogram-square-meter-per-square-second' factor='1.602177E-19' systems='si_acceptable metric_adjacent'/>
305        <convertUnit source='joule' baseUnit='kilogram-square-meter-per-square-second' systems="si metric prefixable"/>
306        <convertUnit source='calorie' baseUnit='kilogram-square-meter-per-square-second' factor='4.184' systems="metric_adjacent prefixable"/> <!-- th -->
307        <convertUnit source='calorie-it' baseUnit='kilogram-square-meter-per-square-second' factor='4.1868' systems="metric_adjacent prefixable"/> <!-- th -->
308        <convertUnit source='british-thermal-unit' baseUnit='kilogram-square-meter-per-square-second' factor='4.184*2267.96185/9' systems="ussystem uksystem"/> <!-- th -->
309        <convertUnit source='british-thermal-unit-it' baseUnit='kilogram-square-meter-per-square-second' factor='4.1868*2267.96185/9' systems="ussystem uksystem"/> <!-- th -->
310        <convertUnit source='foodcalorie' baseUnit='kilogram-square-meter-per-square-second' factor='4184' systems="ussystem uksystem"/> <!-- th -->
311        <convertUnit source='therm-us' baseUnit='kilogram-square-meter-per-square-second' factor='105480400' systems="ussystem"/>
312
313        <!-- power -->
314        <convertUnit source='watt' baseUnit='kilogram-square-meter-per-cubic-second' systems="si metric prefixable"/>
315        <convertUnit source='horsepower' baseUnit='kilogram-square-meter-per-cubic-second' factor='ft_to_m * lb_to_kg * gravity * 550' systems="ussystem uksystem"/>
316        <convertUnit source='solar-luminosity' baseUnit='kilogram-square-meter-per-cubic-second' factor='3.828E+26' systems="astronomical"/>
317
318        <!-- voltage -->
319        <convertUnit source='volt' baseUnit='kilogram-square-meter-per-cubic-second-ampere' systems="si metric prefixable"/>
320
321        <!-- electric-resistance -->
322        <convertUnit source='ohm' baseUnit='kilogram-square-meter-per-cubic-second-square-ampere' systems="si metric prefixable"/>
323
324        <!-- electric-charge -->
325        <convertUnit source='coulomb' baseUnit='second-ampere' systems="si metric prefixable"/>
326
327        <!-- electric-capacitance -->
328        <convertUnit source='farad' baseUnit='pow4-second-square-ampere-per-kilogram-square-meter' factor='1' systems="si metric prefixable"/>
329
330        <!-- electric-inductance -->
331        <convertUnit source='henry' baseUnit='kilogram-square-meter-per-square-second-square-ampere' systems="si metric prefixable"/>
332
333        <!-- electric-conductance -->
334		<convertUnit source='siemens' baseUnit='cubic-second-square-ampere-per-kilogram-square-meter' systems="si metric prefixable"/>
335
336        <!-- radioactivity -->
337        <convertUnit source='becquerel' baseUnit='per-second' systems="si metric prefixable"/>
338
339        <!-- ionizing-radiation -->
340        <convertUnit source='gray' baseUnit='square-meter-per-square-second'  systems="si metric prefixable"/>
341        <convertUnit source='sievert' baseUnit='square-meter-per-square-second' systems="si metric prefixable"/>
342
343        <!-- catalytic-activity -->
344        <convertUnit source='katal' baseUnit='item-per-second' factor='item_per_mole' systems="si metric"/>
345
346        <!-- solid-angle -->
347        <convertUnit source='steradian' baseUnit='square-revolution' factor='1/4*PI*PI' systems='si metric'/>
348
349        <!-- speed -->
350        <convertUnit source='knot' baseUnit='meter-per-second' factor='1852/3600' systems="ussystem uksystem si_acceptable"/>
351        <convertUnit source='light-speed' baseUnit='meter-per-second' factor='speed_of_light_meters_per_second' systems="ussystem uksystem si_acceptable"/>
352        <convertUnit source='beaufort' baseUnit='meter-per-second' special='beaufort' systems="metric_adjacent"/>
353
354        <!-- magnetic-induction -->
355        <convertUnit source='tesla' baseUnit='kilogram-per-square-second-ampere' systems='si metric prefixable'/>
356
357        <!-- magnetic-flux -->
358		<convertUnit source='weber' baseUnit='kilogram-square-meter-per-square-second-ampere' systems='si metric prefixable'/>
359
360        <!-- acceleration -->
361        <convertUnit source='g-force' baseUnit='meter-per-square-second' factor='gravity' systems="metric_adjacent ussystem uksystem"/>
362
363        <!-- luminance -->
364        <convertUnit source='lux' baseUnit='candela-per-square-meter' systems="si metric prefixable"/>
365
366        <!-- luminous-flux -->
367        <convertUnit source='lumen' baseUnit='candela-square-meter-per-square-meter' systems="si metric prefixable"/>
368
369        <!-- concentration-mass -->
370        <convertUnit source='ofglucose' baseUnit='item-per-kilogram' factor='1000*item_per_mole/glucose_molar_mass' systems="metric_adjacent"/>
371
372        <!-- japanese additions -->
373        <convertUnit source='rin' baseUnit='meter' factor='shaku_to_m/1000' systems="jpsystem"/>
374		<convertUnit source='sun' baseUnit='meter' factor='shaku_to_m/10' systems="jpsystem"/>
375		<convertUnit source='shaku-length' baseUnit='meter' factor='shaku_to_m' systems="jpsystem"/>
376		<convertUnit source='shaku-cloth' baseUnit='meter' factor='shaku_to_m*5/4' systems="jpsystem"/>
377		<convertUnit source='ken' baseUnit='meter' factor='shaku_to_m*6' systems="jpsystem"/>
378		<convertUnit source='jo-jp' baseUnit='meter' factor='shaku_to_m*10' systems="jpsystem"/>
379		<convertUnit source='ri-jp' baseUnit='meter' factor='shaku_to_m*12960' systems="jpsystem"/>
380		<convertUnit source='bu-jp' baseUnit='square-meter' factor='tsubo_to_m2*1' systems="jpsystem"/>
381		<convertUnit source='se-jp' baseUnit='square-meter' factor='tsubo_to_m2*30' systems="jpsystem"/>
382		<convertUnit source='cho' baseUnit='square-meter' factor='tsubo_to_m2*3000' systems="jpsystem"/>
383		<convertUnit source='kosaji' baseUnit='cubic-meter' factor='1*5*0.000001' systems="jpsystem"/>
384		<convertUnit source='osaji' baseUnit='cubic-meter' factor='1*15*0.000001' systems="jpsystem"/>
385		<convertUnit source='cup-jp' baseUnit='cubic-meter' factor='1*100*0.000001' systems="jpsystem"/>
386		<convertUnit source='shaku' baseUnit='cubic-meter' factor='sho_to_m3/100' systems="jpsystem"/>
387		<convertUnit source='sai' baseUnit='cubic-meter' factor='sho_to_m3/1000' systems="jpsystem"/>
388		<convertUnit source='to-jp' baseUnit='cubic-meter' factor='sho_to_m3*10' systems="jpsystem"/>
389		<convertUnit source='koku' baseUnit='cubic-meter' factor='sho_to_m3*100' systems="jpsystem"/>
390		<convertUnit source='fun' baseUnit='kilogram' factor='1*3/8000' systems="jpsystem"/>
391
392    </convertUnits>
393    <unitPreferenceData draft="contributed">
394        <unitPreferences category="area" usage="default">
395            <unitPreference regions="001">square-kilometer</unitPreference>
396            <unitPreference regions="001">hectare</unitPreference>
397            <unitPreference regions="001">square-meter</unitPreference>
398            <unitPreference regions="001">square-centimeter</unitPreference>
399            <unitPreference regions="US GB">square-mile</unitPreference>
400            <unitPreference regions="US GB">acre</unitPreference>
401            <unitPreference regions="US GB">square-foot</unitPreference>
402            <unitPreference regions="US GB">square-inch</unitPreference>
403        </unitPreferences>
404        <unitPreferences category="area" usage="geograph">
405            <unitPreference regions="001">square-kilometer</unitPreference>
406            <unitPreference regions="US GB">square-mile</unitPreference>
407        </unitPreferences>
408        <unitPreferences category="area" usage="land">
409            <unitPreference regions="001">hectare</unitPreference>
410            <unitPreference regions="US GB">acre</unitPreference>
411        </unitPreferences>
412        <unitPreferences category="area" usage="floor">
413            <unitPreference regions="001">square-meter</unitPreference>
414            <unitPreference regions="CA US GB MM">square-foot</unitPreference>
415        </unitPreferences>
416        <unitPreferences category="concentration" usage="blood-glucose">
417            <unitPreference regions="AG AI AO AU BA BG BH BM BN BW BY CA CH CM CN CZ DK DM EE FI FJ GB GD HK HR HU IE IM IS KE KN KW KZ LC LI LT LU LV ME MG MK MO MS MT MU MY MZ NA NL NO NZ OM PG RS RU SE SG SI SK TC TO UA UG VC VG VN VU ZA">millimole-per-liter</unitPreference>
418            <unitPreference regions="001">milligram-ofglucose-per-deciliter</unitPreference>
419        </unitPreferences>
420        <unitPreferences category="concentration" usage="default">
421            <unitPreference regions="001">item-per-cubic-meter</unitPreference>
422        </unitPreferences>
423        <unitPreferences category="consumption" usage="default">
424            <unitPreference regions="001">liter-per-100-kilometer</unitPreference>
425        </unitPreferences>
426        <unitPreferences category="consumption" usage="vehicle-fuel">
427            <unitPreference regions="001">liter-per-100-kilometer</unitPreference>
428            <unitPreference regions="BR IT JP KR MX MY NL TH TR">liter-per-kilometer</unitPreference>
429            <unitPreference regions="US">mile-per-gallon</unitPreference>
430            <unitPreference regions="CA GB">mile-per-gallon-imperial</unitPreference>
431        </unitPreferences>
432        <unitPreferences category="duration" usage="default">
433            <unitPreference regions="001">day</unitPreference>
434            <unitPreference regions="001">hour</unitPreference>
435            <unitPreference regions="001">minute</unitPreference>
436            <unitPreference regions="001">second</unitPreference>
437            <unitPreference regions="001">millisecond</unitPreference>
438            <unitPreference regions="001">microsecond</unitPreference>
439            <unitPreference regions="001">nanosecond</unitPreference>
440        </unitPreferences>
441        <unitPreferences category="duration" usage="media">
442            <unitPreference regions="001">minute-and-second</unitPreference>
443            <unitPreference regions="001">second</unitPreference>
444        </unitPreferences>
445        <unitPreferences category="energy" usage="default">
446            <unitPreference regions="001">kilowatt-hour</unitPreference>
447        </unitPreferences>
448        <unitPreferences category="energy" usage="food">
449            <unitPreference regions="US">foodcalorie</unitPreference>
450            <unitPreference regions="001">kilocalorie</unitPreference>
451        </unitPreferences>
452        <unitPreferences category="length" usage="default">
453            <unitPreference regions="001">kilometer</unitPreference>
454            <unitPreference regions="001">meter</unitPreference>
455            <unitPreference regions="001">centimeter</unitPreference>
456            <unitPreference regions="US GB">mile</unitPreference>
457            <unitPreference regions="US GB">foot</unitPreference>
458            <unitPreference regions="US GB">inch</unitPreference>
459        </unitPreferences>
460        <unitPreferences category="length" usage="focal-length">
461            <unitPreference regions="001">millimeter</unitPreference>
462        </unitPreferences>
463        <unitPreferences category="length" usage="person">
464            <unitPreference regions="001">centimeter</unitPreference>
465            <unitPreference regions="CA GB IN US">inch</unitPreference>
466        </unitPreferences>
467        <unitPreferences category="length" usage="person-height">
468            <unitPreference regions="001">centimeter</unitPreference>
469            <unitPreference regions="CA GB IN US" geq="3.0">foot-and-inch</unitPreference>
470            <unitPreference regions="CA GB IN US">inch</unitPreference>
471            <unitPreference regions="AT BE DZ EG ES FR HK ID IL IT JO MY SA SE TR VN">meter-and-centimeter</unitPreference>
472        </unitPreferences>
473        <unitPreferences category="length" usage="rainfall">
474            <unitPreference regions="BR">centimeter</unitPreference>
475            <unitPreference regions="US">inch</unitPreference>
476            <unitPreference regions="001">millimeter</unitPreference>
477        </unitPreferences>
478        <unitPreferences category="length" usage="road">
479            <unitPreference regions="001" geq="0.9">kilometer</unitPreference>
480            <unitPreference regions="001" geq="300.0" skeleton="precision-increment/50">meter</unitPreference>
481            <unitPreference regions="001" geq="10" skeleton="precision-increment/10">meter</unitPreference>
482            <unitPreference regions="001" skeleton="precision-increment/1">meter</unitPreference>
483            <unitPreference regions="US" geq="0.5">mile</unitPreference>
484            <unitPreference regions="US" geq="100.0" skeleton="precision-increment/50">foot</unitPreference>
485            <unitPreference regions="US" geq="10" skeleton="precision-increment/10">foot</unitPreference>
486            <unitPreference regions="US" skeleton="precision-increment/1">foot</unitPreference>
487            <unitPreference regions="GB" geq="0.5">mile</unitPreference>
488            <unitPreference regions="GB" geq="100.0" skeleton="precision-increment/50">yard</unitPreference>
489            <unitPreference regions="GB" geq="10" skeleton="precision-increment/10">yard</unitPreference>
490            <unitPreference regions="GB" skeleton="precision-increment/1">yard</unitPreference>
491            <unitPreference regions="SE">mile-scandinavian</unitPreference>
492            <unitPreference regions="SE">kilometer</unitPreference>
493            <unitPreference regions="SE" geq="300.0" skeleton="precision-increment/50">meter</unitPreference>
494            <unitPreference regions="SE" geq="10" skeleton="precision-increment/10">meter</unitPreference>
495            <unitPreference regions="SE" skeleton="precision-increment/1">meter</unitPreference>
496        </unitPreferences>
497        <unitPreferences category="length" usage="snowfall">
498            <unitPreference regions="001">centimeter</unitPreference>
499            <unitPreference regions="US">inch</unitPreference>
500        </unitPreferences>
501        <unitPreferences category="length" usage="vehicle">
502            <unitPreference regions="GB US">foot-and-inch</unitPreference>
503            <unitPreference regions="001">meter</unitPreference>
504        </unitPreferences>
505        <unitPreferences category="length" usage="visiblty">
506            <unitPreference regions="001" geq="0.1">kilometer</unitPreference>
507            <unitPreference regions="001">meter</unitPreference>
508            <unitPreference regions="DE NL">meter</unitPreference>
509            <unitPreference regions="GB US">mile</unitPreference>
510            <unitPreference regions="GB US">foot</unitPreference>
511        </unitPreferences>
512        <unitPreferences category="mass" usage="default">
513            <unitPreference regions="001">tonne</unitPreference>
514            <unitPreference regions="001">kilogram</unitPreference>
515            <unitPreference regions="001">gram</unitPreference>
516            <unitPreference regions="001">milligram</unitPreference>
517            <unitPreference regions="001">microgram</unitPreference>
518            <unitPreference regions="US GB">ton</unitPreference>
519            <unitPreference regions="US GB">pound</unitPreference>
520            <unitPreference regions="US GB">ounce</unitPreference>
521        </unitPreferences>
522        <unitPreferences category="mass" usage="person">
523            <unitPreference regions="001">kilogram</unitPreference>
524            <unitPreference regions="001">gram</unitPreference>
525            <unitPreference regions="US">pound</unitPreference>
526            <unitPreference regions="US">pound-and-ounce</unitPreference>
527            <unitPreference regions="GB">stone-and-pound</unitPreference>
528            <unitPreference regions="GB">pound-and-ounce</unitPreference>
529            <unitPreference regions="HK">pound-and-ounce</unitPreference>
530        </unitPreferences>
531        <unitPreferences category="mass-density" usage="default">
532            <unitPreference regions="001">kilogram-per-cubic-meter</unitPreference>
533        </unitPreferences>
534        <unitPreferences category="power" usage="default">
535            <unitPreference regions="001">gigawatt</unitPreference>
536            <unitPreference regions="001">megawatt</unitPreference>
537            <unitPreference regions="001">kilowatt</unitPreference>
538            <unitPreference regions="001">watt</unitPreference>
539            <unitPreference regions="001">milliwatt</unitPreference>
540        </unitPreferences>
541        <unitPreferences category="power" usage="engine">
542            <unitPreference regions="001">kilowatt</unitPreference>
543            <unitPreference regions="US GB">horsepower</unitPreference>
544        </unitPreferences>
545        <unitPreferences category="pressure" usage="baromtrc">
546            <unitPreference regions="001">hectopascal</unitPreference>
547            <unitPreference regions="US">inch-ofhg</unitPreference>
548            <unitPreference regions="BR EG GB IL TH">millibar</unitPreference>
549            <unitPreference regions="MX RU">millimeter-ofhg</unitPreference>
550        </unitPreferences>
551        <unitPreferences category="pressure" usage="default">
552            <unitPreference regions="001">megapascal</unitPreference>
553            <unitPreference regions="001">pascal</unitPreference>
554            <unitPreference regions="US GB">pound-force-per-square-inch</unitPreference>
555        </unitPreferences>
556        <unitPreferences category="speed" usage="default">
557            <unitPreference regions="001">kilometer-per-hour</unitPreference>
558            <unitPreference regions="GB US">mile-per-hour</unitPreference>
559        </unitPreferences>
560        <unitPreferences category="speed" usage="rainfall">
561            <unitPreference regions="001">millimeter-per-hour</unitPreference>
562            <unitPreference regions="BR">centimeter-per-hour</unitPreference>
563            <unitPreference regions="US">inch-per-hour</unitPreference>
564        </unitPreferences>
565        <unitPreferences category="speed" usage="snowfall">
566            <unitPreference regions="001">centimeter-per-hour</unitPreference>
567            <unitPreference regions="US">inch-per-hour</unitPreference>
568        </unitPreferences>
569        <unitPreferences category="speed" usage="wind">
570            <unitPreference regions="001">kilometer-per-hour</unitPreference>
571            <unitPreference regions="CN DK FI JP KR NO PL RU SE">meter-per-second</unitPreference>
572            <unitPreference regions="GB US">mile-per-hour</unitPreference>
573        </unitPreferences>
574        <unitPreferences category="temperature" usage="default">
575            <unitPreference regions="001">celsius</unitPreference>
576            <unitPreference regions="US">fahrenheit</unitPreference>
577        </unitPreferences>
578        <unitPreferences category="temperature" usage="weather">
579            <unitPreference regions="001">celsius</unitPreference>
580            <unitPreference regions="BS BZ KY PR PW US">fahrenheit</unitPreference>
581        </unitPreferences>
582        <unitPreferences category="volume" usage="default">
583            <unitPreference regions="001">cubic-meter</unitPreference>
584            <unitPreference regions="001">cubic-centimeter</unitPreference>
585            <unitPreference regions="US GB">cubic-foot</unitPreference>
586            <unitPreference regions="US GB">cubic-inch</unitPreference>
587        </unitPreferences>
588        <unitPreferences category="volume" usage="fluid">
589            <unitPreference regions="001">liter</unitPreference>
590            <unitPreference regions="001">milliliter</unitPreference>
591            <unitPreference regions="US">gallon</unitPreference>
592            <unitPreference regions="US">quart</unitPreference>
593            <unitPreference regions="US">pint</unitPreference>
594            <unitPreference regions="US">cup</unitPreference>
595            <unitPreference regions="US">fluid-ounce</unitPreference>
596            <unitPreference regions="US">tablespoon</unitPreference>
597            <unitPreference regions="US">teaspoon</unitPreference>
598            <unitPreference regions="GB">gallon-imperial</unitPreference>
599            <unitPreference regions="GB">fluid-ounce-imperial</unitPreference>
600        </unitPreferences>
601        <unitPreferences category="volume" usage="oil">
602            <unitPreference regions="001">barrel</unitPreference>
603        </unitPreferences>
604        <unitPreferences category="volume" usage="vehicle">
605            <unitPreference regions="US">gallon</unitPreference>
606            <unitPreference regions="001">liter</unitPreference>
607        </unitPreferences>
608        <unitPreferences category="year-duration" usage="default">
609            <unitPreference regions="001">year</unitPreference>
610            <unitPreference regions="001">month</unitPreference>
611        </unitPreferences>
612        <unitPreferences category="year-duration" usage="person-age">
613            <unitPreference regions="001" geq="2.5">year-person</unitPreference>
614            <unitPreference regions="001">year-person-and-month-person</unitPreference>
615            <unitPreference regions="001">month-person</unitPreference>
616        </unitPreferences>
617    </unitPreferenceData>
618    <metadata>
619        <alias>
620            <unitAlias type="inch-hg" replacement="inch-ofhg" reason="deprecated"/>
621            <unitAlias type="liter-per-100kilometers" replacement="liter-per-100-kilometer" reason="deprecated"/>
622            <unitAlias type="meter-per-second-squared" replacement="meter-per-square-second" reason="deprecated"/>
623            <unitAlias type="millimeter-of-mercury" replacement="millimeter-ofhg" reason="deprecated"/>
624            <unitAlias type="part-per-million" replacement="permillion" reason="deprecated"/>
625            <unitAlias type="pound-foot" replacement="pound-force-foot" reason="deprecated"/>
626            <unitAlias type="pound-per-square-inch" replacement="pound-force-per-square-inch" reason="deprecated"/>
627            <unitAlias type="milligram-per-deciliter" replacement="milligram-ofglucose-per-deciliter" reason="deprecated"/>
628            <unitAlias type="metric-ton" replacement="tonne" reason="deprecated"/>
629
630            <!--
631            <unitAlias type="emu-of-inductance" replacement="abhenry" reason="deprecated"/>
632             -->
633
634            <usageAlias type="music-track" replacement="media" reason="deprecated"/>
635            <usageAlias type="tv-program" replacement="media" reason="deprecated"/>
636       </alias>
637    </metadata>
638</supplementalData>
639