Codes for Units of Measurement The following table lists the codes for units of measurement used in international trade. Table 18 Codes for Units of Measurement Value Description EA Unknown unit of measure ACR Acre (4840 yd2) AMH Ampere-hour (3.6 kC) AMP Ampere ANN Year APZ Ounce GB, US (31.10348 g) (tr oz.) ARE Are (100 m2) ASM Alcoholic strength mass ASV Alcoholic strength by volume ATM Standard atmosphere (101325 Pa) ATT Technical atmosphere (98066.5 Pa) BAR Bar BFT Board foot BG Unknown unit of measure BHP Brake horsepower (745.7 W) BHX Hundred boxes BIL Billion Eur (trillion US) BLD Dry barrel (115.627 dm3) BLL Barrel BQL Becquerel BTU British thermal unit (1.055 Kilojoules) BUA Bushel (35.2391 dm3) BUI Bushel (36.36874 dm3) BX Unknown unit of measure C Unknown unit of measure CA Unknown unit of measure CCT Carrying capacity in metric tons CD Unknown unit of measure CDL Candela CEL Celsius degrees CEN Hundred CGM Centigram CKG Coulomb per kg CLF Hundred leaves CLT Centiliter CMK Square centimeter CMT Centimeter CNP Hundred packs CNT Cental GB (45.359237 kg) COU Coulomb CS Unknown unit of measure CTM Metric carat (200 Mg = 2.10-4 kg) CUR Curie CWA Hundredweight US (45.3592 kg) D Unknown unit of measure DAA Decare DAD Ten days DAY Day DEC Decade (10 years) DLT Deciliter DMK Square decimeter DMQ Cubic decimeter DMT Decimeter DPC Dozen pieces DPT Displacement tonnage DRA Dram US (3.887935 g) DRI Dram GB (1.771745 g) DRL Dozen rolls DRM Drachm gm (3.887935 g) DTH Hectokilogram DTN Centner / Quintal, metric (100 kg) (decitonne) DWT Pennyweight GB, US (1.555174 g) DZ Unknown unit of measure DZN Dozen DZP Dozen packs DZR Dozen pairs EA Unknown unit of measure EAC Each FAH Fahrenheit degrees FAR Farad FOT Foot (.3048 m) FT Unknown unit of measure FTK Square foot FTQ Cubic foot G Unknown unit of measure GAL Unknown unit of measure GBQ Gigabequerel GFI Gram of fissile isotopes GGR Great gross (12 gross) GIA Gill (11.8294 cm3) GII Gill (0.142065 dm3) GLD Dry gallon (4.404884 dm3) GLI Gallon (4.546092 dm3) GLL Liquid gallon (3.78541 dm3) GRM Gram GRN Grain GB, US (64.798910 mg) GRO Gross GRT Gross (Register) ton GWH Gigawatt-hour (1 Million kWh HAR Hectare HBA Hectobar HGM Hectogram HIU Hundred international units HLT Hectoliter HMQ Million cubic meters HMT Hectometer HPA Hectoliter of pure alcohol HTZ Hertz HUR Hour INH Inch (25.4 mm) INK Square inch INQ Cubic inch ITM Item JOU Joule KBA Kilobar KEL Kelvin KGM Kilogram KGS Kilogram per second KHZ Kilohertz KJO Kilojoule KMH Kilometer per hour KMK Square kilometer KMQ Kilogram per cubic meter KMT Kilometer KNI Kilogram of nitrogen KNS Kilogram of named substance KNT Knot (1 nautical mile per hour) KPA Kilopascal KPH Kilogram of caustic potash (kilogram of potassium hydroxide) KPO Kilogram of potassium oxide KPP Kilogram of phosphoric anhydride (kilogram of phosphoric pentoxide) KSD Kilogram of substance 90% dry KSH Kilogram of caustic soda KTN Kilotonne KUR Kilogram of uranium KVA Kilovolt-ampere KVR Kilovar KVT Kilovolt KWH Kilowatt-hour KWT Kilowatt LBR Pound GB, US (0.45359237 kg) LBS Unknown unit of measure LBT Troy pound, US (373.242 g) LEF Leaf LPA Liter of pure alcohol LTN Long ton GB, US (1.0160469 T) LTR Liter (1 dm3) LUM Lumen LUX Lux MAL Megaliter MAM Megameter MAW Megawatt MBE Thousand standard brick equivalent MBF Thousand board-feet (2.36 m3) MBR Millibar MCU Millicurie MGM Milligram MHZ Megahertz MIK Square mile MIL Thousand MIN Minute MIO Million MIU Million international units MLD Billion US (milliard) MLT Milliliter MMK Square millimeter MMQ Cubic millimeter MMT Millimeter MON Month MPA Megapascal MQH Cubic meter per hour MQS Cubic meter per second MSK Meter per second squared MTK Square meter MTQ Cubic meter MTR Meter MTS Meter per second MVA Megavolt-ampere (1000 kva) MWH Megawatt-hour (1000 kWh) NAR Number of articles NBB Number of bobbins NCL Number of cells NEW Newton NIU Number of international units NMB Number NMI Nautical mile (1852 m) NMP Number of packs NMR Number of pairs NPL Number of parcels NPT Number of parts NRL Number of rolls NTT Net (register) ton OHM Ohm ONZ Ounce GB, US (28.349523 g) OZA Fluid ounce (29.5735 cm3) OZI Fluid ounce (28.413 cm3) PAL Pascal PCB Piece PCE Unknown unit of measure PER Unknown unit of measure PGL Proof gallon PK Unknown unit of measure PTD Dry pint (0.55061 dm3) PTI Pint (0.568262 dm3) PTL Liquid pint (0.473176 dm3) QAN Quarter (of a year) QTD Dry quart (1.101221 dm3) QTI Quart (1.136523 dm3) QTL Liquid quart (0.946353 dm3) QTR Quarter, GB (12.700586 kg) RL Unknown unit of measure RM Unknown unit of measure RPM Revolution per minute RPS Revolution per second SAN Half year (6 months) SCO Score SCR Scruple GB, US (1.295982 g) SEC Second SET Set SHT Shipping ton SIE Siemens SMI (Statute) mile (1609.344 m) SST Short Standard (7200 matches) ST Unknown unit of measure STI Stone GB (6.350293 kg) STN Short ton GB, US (0.90718474 T) TAH Thousand ampere-hour TNE Metric ton (1000 kg) (tonne (1000 kg)) TPR Ten pairs TQD Thousand cubic meters per day TRL Trillion EUR TSD Tonne of substance 90% dry TSH Ton of steam per hour VLT Volt WCD Cord (3.63 m3) WEB Weber WEE Week WHR Watt-hour WSD Standard WTT Watt YDK Square yard YDQ Cubic yard YRD Yard (0.9144 m)