- Reference
- X12 Release 3070
- Elements
- 355 Unit or Basis for Measurement Code

# 355 Unit or Basis for Measurement Code

## Code specifying the units in which a value is being expressed, or manner in which a measurement has been taken

- Type
- Identifier (ID)
- Length
- Min 2 / Max 2
- Codes
Code Description 01Actual Pounds 1ACar Mile One freight car moving one mile 1BCar Count The number of freight cars moving over a specified track 1CLocomotive Count The number of locomotives moved over a specified track 1DCaboose Count The number of cabooses moved over a specified track 1EEmpty Car Unloaded or empty cars moving over a specified track 1FTrain Mile The first locomotive in a train moving one mile 1GFuel Usage (Gallons) The number of gallons of diesel fuel used to move a train or all trains over specified trackage 1HCaboose Mile One caboose moving one mile 1IFixed Rate Indicates a predetermined or set rate for usage of a facility 1JTon Miles Tons of freight multiplied by the number of times moved; includes non-revenue freight such as material used to maintain trackage and right-of-way 1KLocomotive Mile One locomotive moving one mile 1LTotal Car Count The sum of cars, locomotives, and cabooses moving over a specified track; the conversion rate for locomotives and cabooses is set by contract 1MTotal Car Mile The sum of car miles, locomotive miles, and caboose miles moved over a speified track; the conversion rate for locomotives and cabooses is set by contract 1NCount 1OSeason 1XQuarter Mile 02Statute Mile 2ARadians Per Second Measure of angular velocity 2BRadians Per Second Squared Measure of angular acceleration 2CRoentgen Unit of X-radiation or gamma radiation equal to the amount of radiation that produces in one cubic centimeter of dry air at 0 degrees Celsius and standard atmospheric pressure ionization of either sign equal to one electrostatic unit of charge 2FVolts Per Meter Measure of electrical field strength 2GVolts (Alternating Current) Measure of electrical potential 2HVolts (Direct Current) Measure of electrical potential 2IBritish Thermal Units (BTUs) Per Hour British thermal units per hour 2JCubic Centimeters Per Second Rate of flow 2KCubic Feet Per Hour Rate of flow 2LCubic Feet Per Minute Rate of flow 2MCentimeters Per Second Rate of speed 2NDecibels A unit for expressing the relative intensity of sounds on a scale of 0 for the least perceptible sound to about 130 for the average pain level 2PKilobyte Unit of computer storage capacity equal to 1000 bytes 2QKilobecquerel Unit of radiation 2RKilocurie Unit of radiation 2UMegagram Unit of mass 2VMegagrams Per Hour 2WBin Storage container used as a unit of measurement 2XMeters Per Minute Measure of linear speed 2YMilliroentgen Unit of radiation 2ZMillivolts Unit of electrical potential 03Seconds 3ANewton Unit of force 3BMegajoule Unit of energy or heat 3CManmonth Measure of work output by a single person during a typical work month 3EPounds Per Pound of Product 3FKilograms Per Liter of Product 3GPounds Per Piece of Product 3HKilograms Per Kilogram of Product 3IKilograms Per Piece of Product 04Small Spray 4ABobbin A cylinder or spindle on which yarn or thread is wound 4BCap Designates that the cap of a container is manufactured to dimensions that enable it to be used as a measuring device when mixing the contents of the container with another substance 4CCentistokes 1 * 10/-6 square meters/second 4DCurie A unit of radioactivity equal to 3.7 * 10/10 disintegrations per second 4E20-Pack Pack containing 20 units 4F100-Pack Pack containing 100 units 4GMicroliter 1/1,000,000 liter 4HMicrometer 1/1,000,000 meter 4IMeters Per Second Measure of linear speed 4JMeters Per Second Per Second Measure of acceleration 4KMilliamperes Unit of electrical current 4LMegabyte Unit of computer storage capacity 4MMilligrams Per Hour Unit of flow 4NMegabecquerel Unit of radiation 4OMicrofarad Unit of electrical capacitance 4PNewtons Per Meter Unit of measure for surface tension 4QOunce Inch Unit of torque 4ROunce Foot Unit of torque 4SPascal Unit of pressure 4TPicofarad Unit of electrical capacitance 4UPounds Per Hour Rate of flow 4VCubic Meter Per Hour Rate of flow 4WTon Per Hour Rate of flow 4XKiloliter Per Hour Rate of flow 05Lifts 5ABarrels per Minute The number of 42 gallon barrels pumped or mixed in a time period of one minute 5BBatch The quantity of material produced at one operation 5CGallons per Thousand The number of gallons of a component material used per one thousand gallons of a process made 5EMMSCF/Day One million standard cubic feet of gas per day 5FPounds per Thousand The number of pounds of solid material used in each 1000 gallons of fluid, mixed or pumped 5GPump The number of pumps used on a specific job 5HStage A period or step in a process or development 5IStandard Cubic Foot One cubic foot of gas measured at a fixed temperature and pressure; the value used for the temperature and pressure varies depending on the type of gas being measured 5JHydraulic Horse Power A calculated measure of Horse Power using the formula rate (barrels per minute) times pressure (pounds per square inch) divided by 40.8 5KCount per Minute 5PSeismic Level 5QSeismic Line 06Digits Expresses a value using total number of digits, e.g., 6 digits 08Heat Lots 8CCord 8DDuty 8PProject 8RProgram 8SSession 8USquare Kilometer 10Group 11Outfit 12Packet 13Ration 14Shot 15Stick 16115 Kilogram Drum A cylindrical container whose contents weigh 115 kilograms when full 17100 Pound Drum A cylindrical container whose contents weigh 100 pounds when full 1855 Gallon Drum A cylindrical container whose volume is equal to 55 gallons 19Tank Truck A liquid-carrying highway vehicle whose volume is variable according to the customer's needs and which is used as a measure of goods ordered, sold, and delivered; differs from a tank car which transports liquids by rail 2020 Foot Container A sea-land rectangular container box whose capacity is defined by its longest dimension and by which product shipments are measured and billed 2140 Foot Container A sea-land rectangular container box whose capacity is defined by its longest dimension and by which product shipments are measured and billed 22Deciliter per Gram Represents viscosity, Cuene intrinsic viscosity, and limit intrinsic viscosity 23Grams per Cubic Centimeter Represents product density 24Theoretical Pounds 25Grams per Square Centimeter Represents product basis weight 26Actual Tons 27Theoretical Tons 28Kilograms per Square Meter Represents product basis weight 29Pounds per 1000 Square Feet Represents product basis weight 30Horsepower Days per Air Dry Metric Tons Represents the energy requirements for processing a product 31Catchweight 32Kilograms per Air Dry Metric Tons Represents chemical addition rate during product manufacture or chemical addition within the finished product 33Kilopascal Square Meters per Gram Represents burst index measurement for pulp products 34Kilopascals per Millimeter Represents hardness index of pulp products 35Milliliters per Square Centimeter Second Represents porosity of a sheet of material 36Cubic Feet per Minute per Square Foot Represents porosity of a sheet of material 37Ounces per Square Foot Represents sheet weight 38Ounces per Square Foot per 0.01 Inch Represents sheet density 40Milliliter per Second Represents rate of absorbency 41Milliliter per Minute Represents rate of absorbency 43Super Bulk Bag A cloth, plastic, or paper-based bag having the dimensions of the pallet on which it is constructed and varying in height according to the weight and density of product contained; typically transports dry, loose materials in bulk form 44500 Kilogram Bulk Bag A flexible container for bulk goods whose contents weigh 500 kilograms when full 45300 Kilogram Bulk Bag A flexible container for bulk goods whose contents weigh 300 kilograms when full 4625 Kilogram Bulk Bag A flexible container for bulk goods whose contents weigh 25 kilograms when full 4750 Pound Bag A flexible container whose contents weigh 50 pounds when full 48Bulk Car Load A fully loaded rail car containing dry bulk loose materials 50Actual Kilograms 51Actual Tonnes 52Credits 53Theoretical Kilograms 54Theoretical Tonnes 56Sitas 57Mesh Linear measurement of the open area of screen, net, weave, or similarly constructed item 58Net Kilograms 59Parts Per Million 60Percent Weight 61Parts Per Billion 62Percent Per 1000 Hours 63Failure Rate In Time 64Pounds Per Square Inch Gauge 65Coulomb Unit of charge 66Oersteds 67Siemens Unit of admittance 68Ampere 69Test Specific Scale 70Volt 71Volt-Ampere Per Pound 72Watts Per Pound 73Ampere Turn Per Centimeter 74Milli Pascals 76Gauss 77Mil 78Kilogauss 79Electron Volt 80Pounds Per Square Inch Absolute 81Henry Unit of inductance 82Ohm Unit of resistance 83Farad Unit of capacitance 84Kilo Pounds Per Square Inch (KSI) 85Foot Pounds 86Joules 87Pounds per Cubic Foot 89Poise 90Saybold Universal Second A measure of kinematic viscosity, usually of oil 91Stokes 92Calories per Cubic Centimeter 93Calories per Gram 94Curl Units 9520,000 Gallon Tankcar A 20,000 gallon liquid capacity enclosed rail car 9610,000 Gallon Tankcar A 10,000 gallon liquid capacity enclosed rail car 9710 Kilogram Drum A cylindrical container whose contents weigh 10 kilograms when full 9815 Kilogram Drum A cylindrical container whose contents weigh 15 kilograms when full 99Watt A8Dollars per Hours A rate expressed in dollars per hour to be charged for each hour worked AABall ABBulk Pack ACAcre ADBytes A computer string of data that consists of a quantity of bits, treated as a unit; a bit is a binary digit AEAmperes per Meter AFCentigram A unit of metric weight equal to 0.01 gram or 0.000035 ounce AGAngstrom AHAdditional Minutes The minutes, usually associated with usage-sensitive pricing of telecommunication services, which are above the minutes allowed for that particular service AIAverage Minutes Per Call The total number of minutes of a category of calls divided by the total number of calls within the category for telephone services calculated to provide call summary details AJCop A cylindrical or conical mass of thread, yarn, or cable on a quill or a tube AKFathom A unit of length equal to 6.0 feet or 1.829 meters ALAccess Lines Number of lines subject to Carrier Access Line Charges AMAmpoule ANMinutes or Messages Number of minutes or messages contracted or used in telephone services where either the number of minutes or messages are the unit of measure for the calculation of charges AOAmpere-turn APAluminum Pounds Only AQAnti-hemophilic Factor (AHF) Units Intravenous adminstering of blood products that have been tested for potency against the U.S. medical unit of measure ARSuppository ASAssortment ATAtmosphere Equal to the pressure of the air at sea level, or approximately 14.7 pounds per square inch AUOcular Insert System A drug delivery system which is placed in the lower conjunctival formix from which the drug diffuses through a membrane at a constant rate over a seven-day period AVCapsule A compact metallic or plastic container for liquids or solids AWPowder-Filled Vials Standard unit of intravenous blood product that has to be reconstituted with a liquid before being administered AXTwenty 20 each of an item of supply AYAssembly AZBritish Thermal Units (BTUs) per Pound B0British Thermal Units (BTUs) per Cubic Foot B1Barrels per Day B2Bunks B3Batting Pound B4Barrel, Imperial B5Billet B6Bun B7Cycles B8Board B9Batt BABale BBBase Box BCBucket BDBundle BEBeam BFBoard Feet BGBag BHBrush BIBar A centimeter-gram-second unit of pressure, equal to one million dynes per square centimeter BJBand BKBook BLBlock BMBolt BNBulk BOBottle BP100 Board Feet BQBrake horse power The horsepower made available by an engine or turbine for driving machinery other then itself BRBarrel BSBasket BTBelt BUBushel 32 dry quarts BVBushel, Dry Imperial BWBase Weight BXBox BYBritish Thermal Unit (BTU) BZMillion BTU's C0Calls Number of calls handled C1Composite Product Pounds (Total Weight) C2Carset C3Centiliter C4Carload C5Cost C6Cell C7Centipoise (CPS) C8Cubic Decimeter C9Coil Group CACase CBCarboy CCCubic Centimeter CDCarat CECentigrade, Celsius CFCubic Feet CGCard CHContainer CICubic Inches CJCone CKConnector CLCylinder CMCentimeter CNCan COCubic Meters (Net) CPCrate CQCartridge CRCubic Meter CSCassette CTCarton CUCup CVCover CWHundred Pounds (CWT) CXCoil CYCubic Yard CZCombo D2Shares D3Square Decimeter Metric unit of area D5Kilogram Per Square Centimeter Unit of pressure D8Draize Score D9Dyne per Square Centimeter DADays DBDry Pounds DCDisk (Disc) DDDegree DEDeal DFDram DGDecigram DHMiles DIDispenser DJDecagram DKKilometers DLDeciliter DMDecimeter DNDeci Newton-Meter One tenth of a Newton-meter, representing torque. A Newton-meter represents force times distance DODollars, U.S. DPDozen Pair DQData Records Number of Data Records handled DRDrum DSDisplay DTDry Ton DUDyne The unit of force in the cgs system equal to the force that would give a free mass of one gram an acceleration of one centimeter per second DWCalendar Days DXDynes per Centimeter Unit of surface tension DYDirectory Books Number of directory books delivered to customer DZDozen E1Hectometer A unit of metric length equal to 109.36 yards or 0.062 mile E3Inches, Fraction--Average E4Inches, Fraction--Minimum E5Inches, Fraction--Actual E7Inches, Decimal--Average E8Inches, Decimal--Actual E9English, (Feet, Inches) EAEach EBElectronic Mail Boxes Number of Electronic Mail Boxes established for an account ECEach per Month EDInches, Decimal--Nominal EFInches, Fraction-Nominal EMInches, Decimal-Minimum EPEleven pack EQEquivalent Gallons Represents number of gallons that syrup and concentrate make of product EVEnvelope EXFeet, Inches and Fraction EYFeet, Inches and Decimal EZFeet and Decimal F1Thousand Cubic Feet Per Day The unit of measure of the rate of production of a gas F2International Unit A unit accepted by an international agency; potency of a drug/vitamin based on a specific weight of that drug/vitamin F3Equivalent Weight of a substance which combines with or replaces one gram atomic weight of hydrogen F4Minim An apothecary's fluid measure; 60 minims = 1 fluid gram (approx. 5 cc) F5MOL Gram-molecular weight of a gas F6Price Per Share F9Fibers per Cubic Centimeter of Air FAFahrenheit FBFields FC1000 Cubic Feet FDMillion Particles per Cubic Foot FETrack Foot Represents rails, all ties and fittings, and subgrade FFHundred Cubic Meters A unit of metric volume equal to 131.0 cubic yards FGTransdermal Patch A drug delivery system which is placed on the skin and releases a drug at a constant rate through the skin FHMicromolar One millionth of a mole; a mole is a standard chemical unit FJSizing Factor FKFibers FLFlake Ton FMMillion Cubic Feet FOFluid Ounce FPPounds per Sq. Ft. FRFeet Per Minute Measure of linear speed FSFeet Per Second Measure of linear speed FTFoot FZFluid Ounce (Imperial) A liquid unit of measure equal to 1/20 (.05) pint (Imperial), 28.416 cubic centimeters, or 28.416 milliliters G2U.S. Gallons Per Minute Rate of flow G3Imperial Gallons Per Minute Rate of flow G4Gigabecquerel Unit of radiation equal to 27 millicuries G5Gill (Imperial) A unit of liquid or dry measure equal to 5 fluid ounces, 8.669 cubic inches, or 142.066 cubic centimeters G7Microfiche Sheet A film that contains photographed documents greatly reduced in size GAGallon GBGallons/Day GCGrams per 100 Grams GDGross Barrels GEPounds per Gallon GFGrams per 100 Centimeters GGGreat Gross (Dozen Gross) GHHalf Gallon GIImperial Gallons GJGrams per Milliliter GKGrams per Kilogram GLGrams per Liter GMGrams per Sq. Meter GNGross Gallons GOMilligrams per Square Meter GPMilligrams per Cubic Meter GQMicrograms per Cubic Meter GRGram GSGross GTGross Kilogram Represents kilograms of product and package or container GUGauss per Oersteds GVGigajoules One billion joules; standard method of expressing absolute heating value of natural gas regardless of volume in the Canadian oil and gas industries GWGallons Per Thousand Cubic Feet GXGrain A small unit of weight equal to 1/480 (.002083) troy ounce, or 0.0648 gram GYGross Yard GZGage Systems H1Half Pages - Electronic Number of electronic half pages of data delivered H2Half Liter Unit of capacity equal to 1/2 liter H4Hectoliter Metric measure for 100 liters HAHank One hundred feet of rope HBHundred Boxes HCHundred Count HDHalf Dozen HEHundredth of a Carat HFHundred Feet HGHectogram HHHundred Cubic Feet HIHundred Sheets HJHorsepower HKHundred Kilograms HLHundred Feet - Linear HMMiles Per Hour HNMillimeters of Mercury HOHundred Troy Ounces HPMillimeter H20 Unit of pressure HQHectare HRHours HSHundred Square Feet HTHalf Hour HUHundred HVHundred Weight (Short) HWHundred Weight (Long) HYHundred Yards HZHertz IAInch Pound Unit of torque IBInches Per Second (Vibration Velocity) Measure of vibration velocity ICCounts per Inch IEPerson IFInches of Water The maximum differential pressure for which a given meter will measure accurately and is expressed in inches of water IHInhaler Metered-dose pressurized method of getting medication into the lungs or nasal passages IIColumn-Inches A unit of area one column wide and one inch high IKPeaks per Inch (PPI) ILInches per Minute IMImpressions INInch IPInsurance Policy An individual insurance contract ITCounts per Centimeter IUInches Per Second (Linear Speed) Measure of linear speed IVInches Per Second Per Second (Acceleration) Measure of acceleration IWInches Per Second Per Second (Vibration Acceleration) Measure of vibration acceleration J2Joule Per Kilogram Measure of specific energy JAJob JBJumbo JEJoule Per Kelvin Measure of heat capacity JGJoule per Gram Joule is unit of energy and gram is unit of mass JKMega Joule per Kilogram "Mega" means "millions" and "kilo" means "thousands" JMMegajoule/Cubic Meter A megajoule is one million joules; conventional measurements for expressing the heating value available in a given volume of gas JOJoint JRJar JUJug K1Kilowatt Demand Represents potential power load measured at predetermined intervals K2Kilovolt Amperes Reactive Demand Reactive power that must be supplied for specific types of customer's equipment; billable when kilowatt demand usage meets or exceeds a defined parameter K3Kilovolt Amperes Reactive Hour Represents actual electricity equivalent to kilowatt hours; billable when usage meets or exceeds defined parameters K4Kilovolt Amperes Measure of electrical power K5Kilovolt Amperes Reactive Measure of electrical power K6Kiloliter One thousand liters K7Kilowatt Measure of electrical power K9Kilograms per Millimeter Squared (KG/MM2) KACake KBKilocharacters Kilocharacters of data transmitted KCKilograms per Cubic Meter KDKilograms Decimal KEKeg A unit of weight equal to 100 pounds, used for nails KFKilopackets Kilopackets of data transmitted KGKilogram KHKilowatt Hour KIKilograms/Millimeter Width KJKilosegments Kilosegments of data transmitted KK100 Kilograms KLKilograms/Meter KMKilograms per Square Meter, Kilograms, Decimal KOMillequivalence Caustic Potash per Gram of Product Acid number and saponification number test results have a unit of measure of Millequivalence KOH per Gram KPKilometers Per Hour KQKilopascal Represents pressure KRKiloroentgen Measure of radiation KS1000 Pounds per Square Inch KTKit KUTask KVKelvin KWKilograms per Millimeter KXMilliliters per Kilogram L2Liters Per Minute Measure of the rate of flow LAPounds Per Cubic Inch LBPound LCLinear Centimeter LDLiters Per Day LELite LFLinear Foot LGLong Ton 2240 pounds as used in the U.K. LHLabor Hours LILinear Inch LJLarge Spray LKLink LLLifetime A duration ending with the death of the individual LMLinear Meter LNLength LOLot LPLiquid Pounds LQLiters Per Day Measure of liquid flow over a given time period LRLayer(s) LSLump Sum LTLiter LXLinear Yards Per Pound LYLinear Yard M0Magnetic Tapes Number of Magnetic Tapes delivered with data M1Milligrams per Liter M2Millimeter-Actual M3Mat M4Monetary Value M5Microcurie M6Millibar M7Micro Inch M8Mega Pascals M9Million British Thermal Units per One Thousand Cubic Feet Represents conversion from a volume of gas to the heat value of the gas MAMachine/Unit MBMillimeter-Nominal MCMicrogram MDAir Dry Metric Ton MEMilligram MFMilligram per Sq. Ft. per Side MGMetric Gross Ton MHMicrons MIMetric MJMinutes MKMilligrams Per Square Inch MLMilliliter MMMillimeter MNMetric Net Ton MOMonths MPMetric Ton MQ1000 Meters MRMeter MSSquare Millimeter MTMetric Long Ton MUMillicurie MVNumber of Mults MWMetric Ton Kilograms MXMixed MYMillimeter-Average MZMillimeter-minimum N1Pen Calories Daily calories prescribed to be taken for parenteral/enteral therapy N2Number of Lines N3Print Point A print point is approximately .0138" N4Pen Grams (Protein) Grams of amino acids prescribed to be taken for parenteral/enteral therapy N6Megahertz One million cycles per second N7Parts N9Cartridge Needle Used with auto-injector units only, a disposable, filled cartridge that includes a needle NAMilligrams per Kilogram NBBarge NCCar NDNet Barrels NENet Liters NFMessages Number of Messages transmitted, or delivered NGNet Gallons NHMessage Hours Number of hours used, calculated at some rate basis such as Minutes/message carried NINet Imperial Gallons NJNumber of Screens Number of data screens handled, or transmitted NLLoad NMNautical Mile NNTrain NQMho The basic unit of electrical conductivity, having a unity value when one ampere of current flows through a conductor to which a one volt difference in electrical potential is applied NRMicro Mho The typical unit of electrical conductivity measurement - one millionth of an Mho NSShort Ton Two thousand pounds NTTrailer NUNewton-Meter Unit of energy or torque NVVehicle NWNewton Represents force in the International Metric System (SI); equal to the force that produces an acceleration of 1 meter per second on a mass of 1 kilogram NXParts Per Thousand NYPounds Per Air-Dry Metric Ton A measure of chemical addition rate during manufacture and product constituent analysis OAPanel OCBillboard ONOunces per Square Yard OPTwo pack OTOvertime Hours OZOunce - Av P0Pages - Electronic Number of electronic pages of data delivered P1Percent P2Pounds per Foot P3Three pack P4Four-pack P5Five-pack P6Six pack P7Seven pack P8Eight-pack P9Nine pack PAPail PBPair Inches PCPiece PDPad PEPounds Equivalent PFPallet (Lift) PGPounds Gross PHPack (PAK) PIPitch PJPounds, Decimal - Pounds per Square Foot - Pound Gage PKPackage PLPallet/Unit Load PMPounds-Percentage PNPounds Net POPounds per Inch of Length PPPlate PQPages per Inch PRPair PSPounds per Sq. Inch PTPint PUMass Pounds PVHalf Pint PWPounds per Inch of Width PXPint, Imperial PYPeck, Dry U.S. PZPeck, Dry Imperial Q1Quarter (Time) Q2Pint U.S. Dry Volume equal to 33.6003125 cubic inches Q3Meal A group of food items packaged together for human consumption Q4Fifty A unit of issue in which a group of 50 items are consolidated and measured as a single entity Q5Twenty-Five A unit of issue in which a group of 25 items are consolidated and measured as a single entity Q6Thirty-Six A unit of issue in which a group of 36 items are consolidated and measured as a single entity Q7Twenty-Four A unit of issue in which a group of 24 items are consolidated and measured as a single entity QAPages - Facsimile Number of FAX pages transmitted QBPages - Hardcopy Number of printed pages delivered QCChannel QDQuarter Dozen QEPhotographs QHQuarter Hours Number of 15 minute increments of usage handled QKQuarter Kilogram A unit of metric weight equal to 250 grams QRQuire QSQuart, Dry U.S. QTQuart QUQuart, Imperial R1Pica Approximately .166 inches measured from the top of the ascender (the upward stroke in a lowercase letter, such as "t") to the bottom of the descender (the downward stroke in a lowercase letter, such as "p"); twelve points equal one pica; six picas equal approximately one inch (.996) R2Becquerel Unit of radiation equal to 3.7 * 10/10 of a curie R3Revolutions Per Minute R4Calorie The amount of heat it takes to raise the temperature of one gram of water one degree Centigrade at a pressure of one atmosphere R5Thousands of Dollars R6Millions of Dollars R7Billions of Dollars R8Roentgen Equivalent in Man (REM) R9Thousand Cubic Meters RARack RBRadian RCRod (area) - 16.25 Square Yards RDRod (length) - 5.5 Yards REReel RGRing RHRunning or Operating Hours Measure of accumulated time of machine or piece of equipment has been running RKRoll-Metric Measure RLRoll RMReam RNReam-Metric Measure RORound RPPounds per Ream RSResets Number of times a transmission is reset due to line drop, interrupt, etc. RTRevenue Ton Miles One ton of revenue-generating freight moving one mile RURun S1Semester S2Trimester S3Square Feet per Second S4Square Meters per Second S5Sixty-fourths of an Inch S6Sessions Number of interactive sessions handled S7Storage Units Number of storage increments used S8Standard Advertising Units (SAUs) A predefined partition of advertising page consisting of column-inch multiples S9Slip Sheet A cardboard platform used for holding product for storage or transportation SASandwich SBSquare Mile SCSquare Centimeter SDSolid Pounds SESection 640 acres or one square mile SFSquare Foot SGSegment SHSheet SISquare Inch SJSack SKSplit Tanktruck SLSleeve SMSquare Meter SNSquare Rod SOSpool SPShelf Package SQSquare A unit of measure for roofing materials equal to 100 square feet SRStrip SSSheet-Metric Measure STSet SUShort Ton SVSkid SWSkein SXShipment SYSquare Yard SZSyringe Glass or plastic barrels used to administer fluid medication under the skin, into a vein artery, or into a muscle T0Telecommunications Lines in Service Snapshot sample of lines in service T1Thousand pounds gross T2Thousandths of an Inch T3Thousand Pieces T4Thousand Bags T5Thousand Casings T6Thousand Gallons T7Thousand Impressions T8Thousand Linear Inches T9Thousand Kilowatt Hours TATenth Cubic Foot TBTube TCTruckload TDTherms TETote TFTen Square Yards TGGross Ton THThousand TIThousand Square Inches TJThousand Sq. Centimeters TKTank TLThousand Feet (Linear) TMThousand Feet (Board) TNNet Ton (2,000 LB). TOTroy Ounce TPTen-pack TQThousand Feet TRTen Square Feet TSThousand Square Feet TTThousand Linear Meters TUThousand Linear Yards TVThousand Kilograms TWThousand Sheets TXTroy Pound TYTray TZThousand Cubic Feet U1Treatments U2Tablet A compressed or molded block of solid material; a collection of sheet paper glued together at one edge U3Ten 10 each of an item of supply U5Two Hundred Fifty 250 each of an item of supply UATorr Pressure UBTelecommunications Lines in Service - Average Average number of lines in service specific to equal access requirements UCTelecommunications Ports Number of network access ports UDTenth Minutes Number of 6 second increments of usage UETenth Hours Number of 6 minute increments of usage UFUsage per Telecommunications Line - Average UHTen Thousand Yards ULUnitless Unit of Measure for properties or test results without units of measure UMMillion Units Measure used to indicate large quantities in multiples of one milliion UNUnit UPTroche A flat, round, tablet made of a medicinal substance UQWafer A light, thin, crisp, cake URApplication An action of putting something into material contact USDosage Form UTInhalation UULozenge UVPercent Topical Only A measure of medication intended only for external use UWMilliequivalent UXDram (Minim) V1Flat A shallow rectangular container frequently used for fruits and vegetables V2Pouch VAVoltampere per Kilogram VCFive Hundred 500 each of an item of supply VIVial VPPercent Volume VRVolt-ampere-reactive VSVisit A quantitative measure of the number of visits to a provider by the patient VTVoltage W2Wet Kilo Weight of product plus liquid solution WAWatts per Kilogram WBWet Pound WDWork Days WEWet Ton WGWine Gallon WHWheel WIWeight per Square Inch WKWeek WMWorking Months WPPennyweight WRWrap WTWattage WUWattage Hours Rate of electrical consumption 1 watt for 1 hour WWMilliliters of Water X1Chains (Land Survey) X2Bunch A measure used to identify a group of like items grown or fastened together X3Clove A measure used to identify a section of a separate bulb X4Drop The smallest quantity of liquid heavy enough to form a spherical mass X5Head A measure used for a rounded, compact mass of leaves, buds or flowers X6Heart A measure used to identify the central or innermost physical part X7Leaf A measure used to identify a usually green flattened structure of vascular plants processed for a particular purpose X8Loaf A shaped mass of food cooked or prepared in one piece X9Portion A measure used to identify a section or quantity within a larger thing XPBase Box per Pound Y1Slice A measure used to identify a thin broad piece cut from a larger object Y2Tablespoon A measure equal to three teaspoons or a half fluid ounce Y3Teaspoon A measure equal to five milliliters or one third tablespoon Y4Tub A measure used to identify a storage container YDYard YL100 Lineal Yards YRYears YTTen Yards Z1Lift Van Z2Chest Z3Cask Z4Hogshead Z5Lug Z6Conference Points A participant on a conference call Z8Newspaper Agate Line ZPPage ZZMutually Defined

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