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    Units of Measure Codes
    This table lists the codes for units of measure used in international trade.
        
  
    
| Code | Description | 
|---|---|
| 1 | Actual Pounds | 
| 2 | Statute Mile | 
| 3 | Seconds | 
| 4 | Small Spray | 
| 5 | Lifts | 
| 6 | Digits | 
| 7 | Strand | 
| 8 | Heat Lots | 
| 9 | Tire | 
| 10 | Group | 
| 11 | Outfit | 
| 12 | Packet | 
| 13 | Ration | 
| 14 | Shot | 
| 15 | Stick | 
| 16 | 115 Kilogram Drum | 
| 17 | 100 Pound Drum | 
| 18 | 55 Gallon Drum | 
| 19 | Tank Truck | 
| 1A | Car Mile | 
| 1B | Car Count | 
| 1C | Locomotive Count | 
| 1D | Caboose Count | 
| 1E | Empty Car | 
| 1F | Train Mile | 
| 1G | Fuel Usage (Gallons) | 
| 1H | Caboose Mile | 
| 1I | Fixed Rate | 
| 1J | Ton Miles | 
| 1K | Locomotive Mile | 
| 1L | Total Car Count | 
| 1M | Total Car Mile | 
| 1N | Count | 
| 1O | Season | 
| 1P | Tank Car | 
| 1Q | Frames | 
| 1R | Transactions | 
| 1X | Quarter Mile | 
| 20 | 20 Foot Container | 
| 21 | 40 Foot Container | 
| 22 | Deciliter per Gram | 
| 23 | Grams per Cubic Centimeter | 
| 24 | Theoretical Pounds | 
| 25 | Grams per Square Centimeter | 
| 26 | Actual Tons | 
| 27 | Theoretical Tons | 
| 28 | Kilograms per Square Meter | 
| 29 | Pounds per 1000 Square Feet | 
| 2A | Radians Per Second | 
| 2B | Radians Per Second Squared | 
| 2C | Roentgen | 
| 2F | Volts Per Meter | 
| 2G | Volts (Alternating Current) | 
| 2H | Volts (Direct Current) | 
| 2I | British Thermal Units (BTUs) Per Hour | 
| 2J | Cubic Centimeters Per Second | 
| 2K | Cubic Feet Per Hour | 
| 2L | Cubic Feet Per Minute | 
| 2M | Centimeters Per Second | 
| 2N | Decibels | 
| 2P | Kilobyte | 
| 2Q | Kilobecquerel | 
| 2R | Kilocurie | 
| 2U | Megagram | 
| 2V | Megagrams Per Hour | 
| 2W | Bin | 
| 2X | Meters Per Minute | 
| 2Y | Milliroentgen | 
| 2Z | Millivolts | 
| 30 | Horsepower Days per Air Dry Metric Tons | 
| 31 | Catchweight | 
| 32 | Kilograms per Air Dry Metric Tons | 
| 33 | Kilopascal Square Meters per Gram | 
| 34 | Kilopascals per Millimeter | 
| 35 | Milliliters per Square Centimeter Second | 
| 36 | Cubic Feet per Minute per Square Foot | 
| 37 | Ounces per Square Foot | 
| 38 | Ounces per Square Foot per 0.01 Inch | 
| 39 | Basis Points | 
| 3B | Megajoule | 
| 3C | Manmonth | 
| 3E | Pounds Per Pound of Product | 
| 3F | Kilograms Per Liter of Product | 
| 3G | Pounds Per Piece of Product | 
| 3H | Kilograms Per Kilogram of Product | 
| 3I | Kilograms Per Piece of Product | 
| 40 | Milliliter per Second | 
| 41 | Milliliter per Minute | 
| 43 | Super Bulk Bag | 
| 44 | 500 Kilogram Bulk Bag | 
| 45 | 300 Kilogram Bulk Bag | 
| 46 | 25 Kilogram Bulk Bag | 
| 47 | 50 Pound Bag | 
| 48 | Bulk Car Load | 
| 4A | Bobbin | 
| 4B | Cap | 
| 4C | Centistokes | 
| 4D | Curie | 
| 4E | 20-Pack | 
| 4F | 100-Pack | 
| 4G | Microliter | 
| 4H | Micrometer | 
| 4I | Meters Per Second | 
| 4J | Meters Per Second Per Second | 
| 4K | Milliamperes | 
| 4L | Megabyte | 
| 4M | Milligrams Per Hour | 
| 4N | Megabecquerel | 
| 4O | Microfarad | 
| 4P | Newtons Per Meter | 
| 4Q | Ounce Inch | 
| 4R | Ounce Foot | 
| 4S | Pascal | 
| 4T | Picofarad | 
| 4U | Pounds Per Hour | 
| 4V | Cubic Meter Per Hour | 
| 4W | Ton Per Hour | 
| 4X | Kiloliter Per Hour | 
| 50 | Actual Kilograms | 
| 51 | Actual Tonnes | 
| 52 | Credits | 
| 53 | Theoretical Kilograms | 
| 54 | Theoretical Tonnes | 
| 56 | Sitas | 
| 57 | Mesh | 
| 58 | Net Kilograms | 
| 59 | Parts Per Million | 
| 5A | Barrels per Minute | 
| 5B | Batch | 
| 5C | Gallons per Thousand | 
| 5E | MMSCF/Day | 
| 5F | Pounds per Thousand | 
| 5G | Pump | 
| 5H | Stage | 
| 5I | Standard Cubic Foot | 
| 5J | Hydraulic Horse Power | 
| 5K | Count per Minute | 
| 5P | Seismic Level | 
| 5Q | Seismic Line | 
| 60 | Percent Weight | 
| 61 | Parts Per Billion | 
| 62 | Percent Per 1000 Hours | 
| 63 | Failure Rate In Time | 
| 64 | Pounds Per Square Inch Gauge | 
| 65 | Coulomb | 
| 66 | Oersteds | 
| 67 | Siemens | 
| 68 | Ampere | 
| 69 | Test Specific Scale | 
| 70 | Volt | 
| 71 | Volt-Ampere Per Pound | 
| 72 | Watts Per Pound | 
| 73 | Ampere Turn Per Centimeter | 
| 74 | Milli Pascals | 
| 76 | Gauss | 
| 77 | Mil | 
| 78 | Kilogauss | 
| 79 | Electron Volt | 
| 80 | Pounds Per Square Inch Absolute | 
| 81 | Henry | 
| 82 | Ohm | 
| 83 | Farad | 
| 84 | Kilo Pounds Per Square Inch (KSI) | 
| 85 | Foot Pounds | 
| 86 | Joules | 
| 87 | Pounds per Cubic Foot | 
| 89 | Poise | 
| 8C | Cord | 
| 8D | Duty | 
| 8P | Project | 
| 8R | Program | 
| 8S | Session | 
| 8U | Square Kilometer | 
| 90 | Saybold Universal Second | 
| 91 | Stokes | 
| 92 | Calories per Cubic Centimeter | 
| 93 | Calories per Gram | 
| 94 | Curl Units | 
| 95 | 20,000 Gallon Tankcar | 
| 96 | 10,000 Gallon Tankcar | 
| 97 | 10 Kilogram Drum | 
| 98 | 15 Kilogram Drum | 
| 99 | Watt | 
| A8 | Dollars per Hours | 
| AA | Ball | 
| AB | Bulk Pack | 
| AC | Acre | 
| AD | Bytes | 
| AE | Amperes per Meter | 
| AF | Centigram | 
| AG | Angstrom | 
| AH | Additional Minutes | 
| AI | Average Minutes Per Call | 
| AJ | Cop | 
| AK | Fathom | 
| AL | Access Lines | 
| AM | Ampoule | 
| AN | Minutes or Messages | 
| AO | Ampere-turn | 
| AP | Aluminum Pounds Only | 
| AQ | Anti-hemophilic Factor (AHF) Units | 
| AR | Suppository | 
| AS | Assortment | 
| AT | Atmosphere | 
| AU | Ocular Insert System | 
| AV | Capsule | 
| AW | Powder-Filled Vials | 
| AX | Twenty | 
| AY | Assembly | 
| AZ | British Thermal Units (BTUs) per Pound | 
| B0 | British Thermal Units (BTUs) per Cubic Foot | 
| B1 | Barrels per Day | 
| B2 | Bunks | 
| B3 | Batting Pound | 
| B4 | Barrel, Imperial | 
| B5 | Billet | 
| B6 | Bun | 
| B7 | Cycles | 
| B8 | Board | 
| B9 | Batt | 
| BA | Bale | 
| BB | Base Box | 
| BC | Bucket | 
| BD | Bundle | 
| BE | Beam | 
| BF | Board Feet | 
| BG | Bag | 
| BH | Brush | 
| BI | Bar | 
| BJ | Band | 
| BK | Book | 
| BL | Block | 
| BM | Bolt | 
| BN | Bulk | 
| BO | Bottle | 
| BP | 100 Board Feet | 
| BQ | Brake horse power | 
| BR | Barrel | 
| BS | Basket | 
| BT | Belt | 
| BU | Bushel | 
| BV | Bushel, Dry Imperial | 
| BW | Base Weight | 
| BX | Box | 
| BY | British Thermal Unit (BTU) | 
| BZ | Million BTU's | 
| C0 | Calls | 
| C1 | Composite Product Pounds (Total Weight) | 
| C2 | Carset | 
| C3 | Centiliter | 
| C4 | Carload | 
| C5 | Cost | 
| C6 | Cell | 
| C7 | Centipoise (CPS) | 
| C8 | Cubic Decimeter | 
| C9 | Coil Group | 
| CA | Case | 
| CB | Carboy | 
| CC | Cubic Centimeter | 
| CD | Carat | 
| CE | Centigrade, Celsius | 
| CF | Cubic Feet | 
| CG | Card | 
| CH | Container | 
| CI | Cubic Inches | 
| CJ | Cone | 
| CK | Connector | 
| CL | Cylinder | 
| CM | Centimeter | 
| CN | Can | 
| CO | Cubic Meters (Net) | 
| CP | Crate | 
| CQ | Cartridge | 
| CR | Cubic Meter | 
| CS | Cassette | 
| CT | Carton | 
| CU | Cup | 
| CV | Cover | 
| CW | Hundred Pounds (CWT) | 
| CX | Coil | 
| CY | Cubic Yard | 
| CZ | Combo | 
| D2 | Shares | 
| D3 | Square Decimeter | 
| D5 | Kilogram Per Square Centimeter | 
| D8 | Draize Score | 
| D9 | Dyne per Square Centimeter | 
| DA | Days | 
| DB | Dry Pounds | 
| DC | Disk (Disc) | 
| DD | Degree | 
| DE | Deal | 
| DF | Dram | 
| DG | Decigram | 
| DH | Miles | 
| DI | Dispenser | 
| DJ | Decagram | 
| DK | Kilometers | 
| DL | Deciliter | 
| DM | Decimeter | 
| DN | Deci Newton-Meter | 
| DO | Dollars, U.S. | 
| DP | Dozen Pair | 
| DQ | Data Records | 
| DR | Drum | 
| DS | Display | 
| DT | Dry Ton | 
| DU | Dyne | 
| DW | Calendar Days | 
| DX | Dynes per Centimeter | 
| DY | Directory Books | 
| DZ | Dozen | 
| E1 | Hectometer | 
| E3 | Inches, Fraction--Average | 
| E4 | Inches, Fraction--Minimum | 
| E5 | Inches, Fraction--Actual | 
| E7 | Inches, Decimal--Average | 
| E8 | Inches, Decimal--Actual | 
| E9 | English, (Feet, Inches) | 
| EA | Each | 
| EB | Electronic Mail Boxes | 
| EC | Each per Month | 
| ED | Inches, Decimal--Nominal | 
| EE | Employees | 
| EF | Inches, Fraction-Nominal | 
| EG | Double-time Hours | 
| EH | Knots | 
| EJ | Locations | 
| EM | Inches, Decimal-Minimum | 
| EP | Eleven pack | 
| EQ | Equivalent Gallons | 
| EV | Envelope | 
| EX | Feet, Inches and Fraction | 
| EY | Feet, Inches and Decimal | 
| EZ | Feet and Decimal | 
| F1 | Thousand Cubic Feet Per Day | 
| F2 | International Unit | 
| F3 | Equivalent | 
| F4 | Minim | 
| F5 | MOL | 
| F6 | Price Per Share | 
| F9 | Fibers per Cubic Centimeter of Air | 
| FA | Fahrenheit | 
| FB | Fields | 
| FC | 1000 Cubic Feet | 
| FD | Million Particles per Cubic Foot | 
| FE | Track Foot | 
| FF | Hundred Cubic Meters | 
| FG | Transdermal Patch | 
| FH | Micromolar | 
| FJ | Sizing Factor | 
| FK | Fibers | 
| FL | Flake Ton | 
| FM | Million Cubic Feet | 
| FO | Fluid Ounce | 
| FP | Pounds per Sq. Ft. | 
| FR | Feet Per Minute | 
| FS | Feet Per Second | 
| FT | Foot | 
| FZ | Fluid Ounce (Imperial) | 
| G2 | U.S. Gallons Per Minute | 
| G3 | Imperial Gallons Per Minute | 
| G4 | Gigabecquerel | 
| G5 | Gill (Imperial) | 
| G7 | Microfiche Sheet | 
| GA | Gallon | 
| GB | Gallons/Day | 
| GC | Grams per 100 Grams | 
| GD | Gross Barrels | 
| GE | Pounds per Gallon | 
| GF | Grams per 100 Centimeters | 
| GG | Great Gross (Dozen Gross) | 
| GH | Half Gallon | 
| GI | Imperial Gallons | 
| GJ | Grams per Milliliter | 
| GK | Grams per Kilogram | 
| GL | Grams per Liter | 
| GM | Grams per Sq. Meter | 
| GN | Gross Gallons | 
| GO | Milligrams per Square Meter | 
| GP | Milligrams per Cubic Meter | 
| GQ | Micrograms per Cubic Meter | 
| GR | Gram | 
| GS | Gross | 
| GT | Gross Kilogram | 
| GU | Gauss per Oersteds | 
| GV | Gigajoules | 
| GW | Gallons Per Thousand Cubic Feet | 
| GX | Grain | 
| GY | Gross Yard | 
| GZ | Gage Systems | 
| H1 | Half Pages - Electronic | 
| H2 | Half Liter | 
| H4 | Hectoliter | 
| HA | Hank | 
| HB | Hundred Boxes | 
| HC | Hundred Count | 
| HD | Half Dozen | 
| HE | Hundredth of a Carat | 
| HF | Hundred Feet | 
| HG | Hectogram | 
| HH | Hundred Cubic Feet | 
| HI | Hundred Sheets | 
| HJ | Horsepower | 
| HK | Hundred Kilograms | 
| HL | Hundred Feet - Linear | 
| HM | Miles Per Hour | 
| HN | Millimeters of Mercury | 
| HO | Hundred Troy Ounces | 
| HP | Millimeter H20 | 
| HQ | Hectare | 
| HR | Hours | 
| HS | Hundred Square Feet | 
| HT | Half Hour | 
| HU | Hundred | 
| HV | Hundred Weight (Short) | 
| HW | Hundred Weight (Long) | 
| HY | Hundred Yards | 
| HZ | Hertz | 
| IA | Inch Pound | 
| IB | Inches Per Second (Vibration Velocity) | 
| IC | Counts per Inch | 
| IE | Person | 
| IF | Inches of Water | 
| IH | Inhaler | 
| II | Column-Inches | 
| IK | Peaks per Inch (PPI) | 
| IL | Inches per Minute | 
| IM | Impressions | 
| IN | Inch | 
| IP | Insurance Policy | 
| IT | Counts per Centimeter | 
| IU | Inches Per Second (Linear Speed) | 
| IV | Inches Per Second Per Second (Acceleration) | 
| IW | Inches Per Second Per Second (Vibration Acceleration) | 
| J2 | Joule Per Kilogram | 
| JA | Job | 
| JB | Jumbo | 
| JE | Joule Per Kelvin | 
| JG | Joule per Gram | 
| JK | Mega Joule per Kilogram | 
| JM | Megajoule/Cubic Meter | 
| JO | Joint | 
| JR | Jar | 
| JU | Jug | 
| K1 | Kilowatt Demand | 
| K2 | Kilovolt Amperes Reactive Demand | 
| K3 | Kilovolt Amperes Reactive Hour | 
| K4 | Kilovolt Amperes | 
| K5 | Kilovolt Amperes Reactive | 
| K6 | Kiloliter | 
| K7 | Kilowatt | 
| K9 | Kilograms per Millimeter Squared (KG/MM2) | 
| KA | Cake | 
| KB | Kilocharacters | 
| KC | Kilograms per Cubic Meter | 
| KD | Kilograms Decimal | 
| KE | Keg | 
| KF | Kilopackets | 
| KG | Kilogram | 
| KH | Kilowatt Hour | 
| KI | Kilograms/Millimeter Width | 
| KJ | Kilosegments | 
| KK | 100 Kilograms | 
| KL | Kilograms/Meter | 
| KM | Kilograms per Square Meter, Kilograms, Decimal | 
| KO | Millequivalence Caustic Potash per Gram of Product | 
| KP | Kilometers Per Hour | 
| KQ | Kilopascal | 
| KR | Kiloroentgen | 
| KS | 1000 Pounds per Square Inch | 
| KT | Kit | 
| KU | Task | 
| KV | Kelvin | 
| KW | Kilograms per Millimeter | 
| KX | Milliliters per Kilogram | 
| L2 | Liters Per Minute | 
| LA | Pounds Per Cubic Inch | 
| LB | Pound | 
| LC | Linear Centimeter | 
| LE | Lite | 
| LF | Linear Foot | 
| LG | Long Ton | 
| LH | Labor Hours | 
| LI | Linear Inch | 
| LJ | Large Spray | 
| LK | Link | 
| LL | Lifetime | 
| LM | Linear Meter | 
| LN | Length | 
| LO | Lot | 
| LP | Liquid Pounds | 
| LQ | Liters Per Day | 
| LR | Layer(s) | 
| LS | Lump Sum | 
| LT | Liter | 
| LX | Linear Yards Per Pound | 
| LY | Linear Yard | 
| M0 | Magnetic Tapes | 
| M1 | Milligrams per Liter | 
| M2 | Millimeter-Actual | 
| M3 | Mat | 
| M4 | Monetary Value | 
| M5 | Microcurie | 
| M6 | Millibar | 
| M7 | Micro Inch | 
| M8 | Mega Pascals | 
| M9 | Million British Thermal Units per One Thousand Cubic Feet | 
| MA | Machine/Unit | 
| MB | Millimeter-Nominal | 
| MC | Microgram | 
| MD | Air Dry Metric Ton | 
| ME | Milligram | 
| MF | Milligram per Sq. Ft. per Side | 
| MG | Metric Gross Ton | 
| MH | Microns (Micrometers) | 
| MI | Metric | 
| MJ | Minutes | 
| MK | Milligrams Per Square Inch | 
| ML | Milliliter | 
| MM | Millimeter | 
| MN | Metric Net Ton | 
| MO | Months | 
| MP | Metric Ton | 
| MQ | 1000 Meters | 
| MR | Meter | 
| MS | Square Millimeter | 
| MT | Metric Long Ton | 
| MU | Millicurie | 
| MV | Number of Mults | 
| MW | Metric Ton Kilograms | 
| MX | Mixed | 
| MY | Millimeter-Average | 
| MZ | Millimeter-minimum | 
| N1 | Pen Calories | 
| N2 | Number of Lines | 
| N3 | Print Point | 
| N4 | Pen Grams (Protein) | 
| N6 | Megahertz | 
| N7 | Parts | 
| N9 | Cartridge Needle | 
| NA | Milligrams per Kilogram | 
| NB | Barge | 
| NC | Car | 
| ND | Net Barrels | 
| NE | Net Liters | 
| NF | Messages | 
| NG | Net Gallons | 
| NH | Message Hours | 
| NI | Net Imperial Gallons | 
| NJ | Number of Screens | 
| NL | Load | 
| NM | Nautical Mile | 
| NN | Train | 
| NQ | Mho | 
| NR | Micro Mho | 
| NS | Short Ton | 
| NT | Trailer | 
| NU | Newton-Meter | 
| NV | Vehicle | 
| NW | Newton | 
| NX | Parts Per Thousand | 
| NY | Pounds Per Air-Dry Metric Ton | 
| OA | Panel | 
| OC | Billboard | 
| ON | Ounces per Square Yard | 
| OP | Two pack | 
| OT | Overtime Hours | 
| OZ | Ounce - Av | 
| P0 | Pages - Electronic | 
| P1 | Percent | 
| P2 | Pounds per Foot | 
| P3 | Three pack | 
| P4 | Four-pack | 
| P5 | Five-pack | 
| P6 | Six pack | 
| P7 | Seven pack | 
| P8 | Eight-pack | 
| P9 | Nine pack | 
| PA | Pail | 
| PB | Pair Inches | 
| PC | Piece | 
| PD | Pad | 
| PE | Pounds Equivalent | 
| PF | Pallet (Lift) | 
| PG | Pounds Gross | 
| PH | Pack (PAK) | 
| PI | Pitch | 
| PJ | Pounds, Decimal - Pounds per Square Foot - Pound Gage | 
| PK | Package | 
| PL | Pallet/Unit Load | 
| PM | Pounds-Percentage | 
| PN | Pounds Net | 
| PO | Pounds per Inch of Length | 
| PP | Plate | 
| PQ | Pages per Inch | 
| PR | Pair | 
| PS | Pounds per Sq. Inch | 
| PT | Pint | 
| PU | Mass Pounds | 
| PV | Half Pint | 
| PW | Pounds per Inch of Width | 
| PX | Pint, Imperial | 
| PY | Peck, Dry U.S. | 
| PZ | Peck, Dry Imperial | 
| Q1 | Quarter (Time) | 
| Q2 | Pint U.S. Dry | 
| Q3 | Meal | 
| Q4 | Fifty | 
| Q5 | Twenty-Five | 
| Q6 | Thirty-Six | 
| Q7 | Twenty-Four | 
| QA | Pages - Facsimile | 
| QB | Pages - Hardcopy | 
| QC | Channel | 
| QD | Quarter Dozen | 
| QE | Photographs | 
| QH | Quarter Hours | 
| QK | Quarter Kilogram | 
| QR | Quire | 
| QS | Quart, Dry U.S. | 
| QT | Quart | 
| QU | Quart, Imperial | 
| R1 | Pica | 
| R2 | Becquerel | 
| R3 | Revolutions Per Minute | 
| R4 | Calorie | 
| R5 | Thousands of Dollars | 
| R6 | Millions of Dollars | 
| R7 | Billions of Dollars | 
| R8 | Roentgen Equivalent in Man (REM) | 
| R9 | Thousand Cubic Meters | 
| RA | Rack | 
| RB | Radian | 
| RC | Rod (area) - 16.25 Square Yards | 
| RD | Rod (length) - 5.5 Yards | 
| RE | Reel | 
| RG | Ring | 
| RH | Running or Operating Hours | 
| RK | Roll-Metric Measure | 
| RL | Roll | 
| RM | Ream | 
| RN | Ream-Metric Measure | 
| RO | Round | 
| RP | Pounds per Ream | 
| RS | Resets | 
| RT | Revenue Ton Miles | 
| RU | Run | 
| S1 | Semester | 
| S2 | Trimester | 
| S3 | Square Feet per Second | 
| S4 | Square Meters per Second | 
| S5 | Sixty-fourths of an Inch | 
| S6 | Sessions | 
| S7 | Storage Units | 
| S8 | Standard Advertising Units (SAUs) | 
| S9 | Slip Sheet | 
| SA | Sandwich | 
| SB | Square Mile | 
| SC | Square Centimeter | 
| SD | Solid Pounds | 
| SE | Section | 
| SF | Square Foot | 
| SG | Segment | 
| SH | Sheet | 
| SI | Square Inch | 
| SJ | Sack | 
| SK | Split Tanktruck | 
| SL | Sleeve | 
| SM | Square Meter | 
| SN | Square Rod | 
| SO | Spool | 
| SP | Shelf Package | 
| SQ | Square | 
| SR | Strip | 
| SS | Sheet-Metric Measure | 
| ST | Set | 
| SV | Skid | 
| SW | Skein | 
| SX | Shipment | 
| SY | Square Yard | 
| SZ | Syringe | 
| T0 | Telecommunications Lines in Service | 
| T1 | Thousand pounds gross | 
| T2 | Thousandths of an Inch | 
| T3 | Thousand Pieces | 
| T4 | Thousand Bags | 
| T5 | Thousand Casings | 
| T6 | Thousand Gallons | 
| T7 | Thousand Impressions | 
| T8 | Thousand Linear Inches | 
| T9 | Thousand Kilowatt Hours | 
| TA | Tenth Cubic Foot | 
| TB | Tube | 
| TC | Truckload | 
| TD | Therms | 
| TE | Tote | 
| TF | Ten Square Yards | 
| TG | Gross Ton | 
| TH | Thousand | 
| TI | Thousand Square Inches | 
| TJ | Thousand Sq. Centimeters | 
| TK | Tank | 
| TL | Thousand Feet (Linear) | 
| TM | Thousand Feet (Board) | 
| TN | Net Ton (2,000 LB). | 
| TO | Troy Ounce | 
| TP | Ten-pack | 
| TQ | Thousand Feet | 
| TR | Ten Square Feet | 
| TS | Thousand Square Feet | 
| TT | Thousand Linear Meters | 
| TU | Thousand Linear Yards | 
| TV | Thousand Kilograms | 
| TW | Thousand Sheets | 
| TX | Troy Pound | 
| TY | Tray | 
| TZ | Thousand Cubic Feet | 
| U1 | Treatments | 
| U2 | Tablet | 
| U3 | Ten | 
| U5 | Two Hundred Fifty | 
| UA | Torr | 
| UB | Telecommunications Lines in Service - Average | 
| UC | Telecommunications Ports | 
| UD | Tenth Minutes | 
| UE | Tenth Hours | 
| UF | Usage per Telecommunications Line - Average | 
| UH | Ten Thousand Yards | 
| UL | Unitless | 
| UM | Million Units | 
| UN | Unit | 
| UP | Troche | 
| UQ | Wafer | 
| UR | Application | 
| US | Dosage Form | 
| UT | Inhalation | 
| UU | Lozenge | 
| UV | Percent Topical Only | 
| UW | Milliequivalent | 
| UX | Dram (Minim) | 
| UY | Fifty Square Feet | 
| UZ | Fifty Count | 
| V1 | Flat | 
| V2 | Pouch | 
| VA | Volt-ampere per Kilogram | 
| VC | Five Hundred | 
| VI | Vial | 
| VP | Percent Volume | 
| VR | Volt-ampere-reactive | 
| VS | Visit | 
| W2 | Wet Kilo | 
| WA | Watts per Kilogram | 
| WB | Wet Pound | 
| WD | Work Days | 
| WE | Wet Ton | 
| WG | Wine Gallon | 
| WH | Wheel | 
| WI | Weight per Square Inch | 
| WK | Week | 
| WM | Working Months | 
| WP | Pennyweight | 
| WR | Wrap | 
| WW | Milliliters of Water | 
| X1 | Chains (Land Survey) | 
| X2 | Bunch | 
| X3 | Clove | 
| X4 | Drop | 
| X5 | Head | 
| X6 | Heart | 
| X7 | Leaf | 
| X8 | Loaf | 
| X9 | Portion | 
| XP | Base Box per Pound | 
| Y1 | Slice | 
| Y2 | Tablespoon | 
| Y3 | Teaspoon | 
| Y4 | Tub | 
| YD | Yard | 
| YL | 100 Lineal Yards | 
| YR | Years | 
| YT | Ten Yards | 
| Z1 | Lift Van | 
| Z2 | Chest | 
| Z3 | Cask | 
| Z4 | Hogshead | 
| Z5 | Lug | 
| Z6 | Conference Points | 
| Z8 | Newspaper Agate Line | 
| ZA | Bimonthly | 
| ZB | Biweekly | 
| ZC | Semiannual | 
| ZP | Page | 
| ZZ | Mutually Defined |