Annex I Units of Measure: Code elements listed by quantities - UNECE

Codes for Units of Measure used in International Trade
Units of Measure: Code elements listed by common code
Existing Codes
Common
code
Name
Level
Cat.
Use
Id.
Rec. 20:
3N
Rec. 20:
3A
Rec. 21:
2A/N
ANSI T-355
2 A/N values
Cross
ref.
29 pound per thousand square feet 3.8C Z 29 1343
2A radian per second 1 2A 93
2A 123
509
572
720
903
2B radian per second squared 1 2B 94
2C röntgen 2 2C 846
2I British thermal unit per hour 2 2I 328
2J cubic centimetre per second 1S 2J 305
2K cubic foot per hour 2 2K 308
2L cubic foot per minute 2 2L 309
2M centimetre per second 1S 2M 98
2N decibel 1 2N 129
601
611
2P kilobyte 3.6B 2P 1271
2Q kilobecquerel 1S 2Q 747
2R kilocurie 2S 2R 744
2U megagram 1S 2U 146
2V megagram per hour 3.8B Z 2V 1326
2W bin 3.3A 2W 1092
2X metre per minute 1M 2X 99
2Y milliröntgen 2 2Y 847
2Z millivolt 1S 2Z 408
30 horse power day per air dry metric
ton
3.5 Z 30 1245
31 catch weight 3.9 Z 31 1396
32 kilogram per air dry metric ton 3.5 Z 32 1246
33 kilopascal square metres per gram 1M 33 944
34 kilopascals per millimetre 1M 34 945
35 millilitres per square centimetre
second
1M 35 946
36 cubic feet per minute per square foot 1M 36 947
37 ounce per square foot 2 37 186
38 ounces per square foot per 0,01 inch 1M 38 948
3B megajoule 1S 3B 267
3C manmonth 3.9 3C 1515
3E pound per pound of product 3.9 Z 3E 1516
230 Recommendation 20