Dimension | Unit | Collections of Current Units | Simple Dimensions List | Compound Dimensions List | Unit Abbreviations List
Simple Dimensions
Use this alphabetical list of simple dimensions to quickly jump to information about a particular simple dimension.
Simple Dimension Descriptions
The following table provides information about each simple dimension, including name, ID, base dimensions, unit name (abbreviation), type, and unit ID. The internal unit is indicated in bold.
Compound Dimensions
Compound dimensions are built from simple dimensions. The following table provides information about each compound dimension.
Name | Base Dimensions | ID |
---|---|---|
Acceleration | Distance/Time^2 | 11 |
AngMomentum | Mass*SmallDistance^2/Time | 47 |
Angle Squared | Angle^2 | 17 |
AngleAccel | Angle/Time^2 | 48 |
AngleJerk | Angle/Time^3 | 36 |
AngleRate | Angle/Time | 7 |
AngleSnap | Angle/Time^4 | 37 |
Area | Distance^2 | 12 |
Area Per Mass | SmallDistance^2/Mass | 41 |
Area Rate | Distance^2/Time | 15 |
AviatorAttitudeAngleRate | AviatorAttitudeAngle/AviatorSmallTime | 71 |
AviatorFuelFlow | AviatorFuelQuantity/AviatorTime | 66 |
AviatorSpecificExcessPower | AviatorAltitude/AviatorSmallTime | 81 |
AviatorSpeed | AviatorDistance/AviatorTime | 62 |
AviatorVerticalVelocity | AviatorAltitude/AviatorAltTime | 64 |
BandwidthRate | Bandwidth/Time | 203 |
DataRate | Bits/SmallTime | 50 |
Density | Mass/Distance^3 | 35 |
Distance X Angle | Angle*Distance | 16 |
DynamicViscosity | Pressure*SmallTime | 104 |
ElectricFieldStrength | Voltage/SmallDistance | 1300 |
ElectricFieldStrengthRate | Voltage/SmallDistance/Time | 1330 |
Fluence | 1/SmallDistance^2 | 15004 |
FluencePerParticleEnergy | 1/ParticleEnergy/SmallDistance^2 | 15031 |
Flux | 1/Time/SmallDistance^2 | 15002 |
FluxIntensity | 1/SolidAngle/Time/SmallDistance^2 | 15001 |
FluxPerParticleEnergy | 1/ParticleEnergy/Time/SmallDistance^2 | 15030 |
Force Per Time | Force/Time | 43 |
FrequencyRate | Frequency/Time | 100 |
GainTempRatio | Ratio/Temperature | 58 |
GainTempRatioRate | RatioLinear/Temperature/Time | 207 |
Grav Parameter | Distance^3/Time^2 | 13 |
HeatFlux | Power/SmallDistance^2 | 106 |
HeatLoad | AviatorEnergy/SmallDistance^2 | 107 |
IrrResp | SmallDistance^2/Power | 15104 |
KinematicViscosity | SmallDistance^2/SmallTime | 105 |
Mass Per Time | Mass/Time | 42 |
MassFlux | Mass/Time/SmallDistance^2 | 15003 |
MassPerArea | Mass/SmallDistance^2 | 53 |
MomentOfInertia | Mass*SmallDistance^2 | 51 |
PowerFluxDensity | Power/SmallDistance^2 | 56 |
PowerFluxDensityRate | PowerLinear/Time/SmallDistance^2 | 205 |
PowerFluxIntensity | Power/SolidAngle/SmallDistance^2 | 87 |
PowerIntensity | Power/SolidAngle | 74 |
PowerIntensityRate | PowerLinear/SolidAngle/Time | 210 |
PowerRate | PowerLinear/Time | 201 |
PowerSpectralDensity | Power/SpectralBandwidth | 29 |
PowerSpectralDensityRate | PowerLinear/SpectralBandwidth/Time | 204 |
PowerSpectralFluxDensity | Power/SpectralBandwidth/SmallDistance^2 | 94 |
PowerSpectralFluxDensityRate | PowerLinear/SpectralBandwidth/Time/SmallDistance^2 | 208 |
RadDoseRate | RadiationDose/Time | 15048 |
RadResp | SolidAngle*SmallDistance^2/Power | 15105 |
Rate | Distance/Time | 4 |
Rate Squared | Distance^2/Time^2 | 14 |
RatioRate | RatioLinear/Time | 200 |
RcsRate | RcsLinear/Time | 202 |
SARRngChirp | Frequency/SmallTime | 28 |
SlowRate | SmallDistance/Time | 52 |
Small Area | SmallDistance^2 | 40 |
SmallAcceleration | SmallDistance/Time^2 | 211 |
SmallDensity | Mass/SmallDistance^3 | 76 |
SmallVolume | SmallDistance^3 | 75 |
SpatialAngularFrequency | RepeatCount/Angle | 15103 |
SpecificRange | AviatorFuelQuantity/AviatorDistance | 83 |
SpectralDensity | Bandwidth*Ratio | 57 |
SpectralDensityRate | Bandwidth*RatioLinear/Time | 206 |
SpectralPowerFluxDensity | Power/MicroDistance/SmallDistance^2 | 89 |
SpectralPowerFluxIntensity | Power/MicroDistance/SolidAngle/SmallDistance^2 | 88 |
Speed Change | SmallDistance/SmallTime | 33 |
Speed Change Squared | SmallDistance^2/SmallTime^2 | 38 |
TemperatureRate | Temperature/Time | 209 |
Torque | Force*SmallDistance | 46 |
UnidirectionalFluence | 1/SolidAngle/SmallDistance^2 | 15035 |
UnidirectionalFluencePerParticleEnergy | 1/ParticleEnergy/SolidAngle/SmallDistance^2 | 15033 |
UnidirectionalFlux | 1/SolidAngle/Time/SmallDistance^2 | 15034 |
UnidirectionalFluxPerParticleEnergy | 1/ParticleEnergy/SolidAngle/Time/SmallDistance^2 | 15032 |
Unitless Per Angle | 1/Angle | 82 |
Unitless Per Time | 1/Time | 55 |
UnitlessPerSmallDistance | 1/SmallDistance | 85 |
VoltageRate | Voltage/Time | 1321 |
Volume | Distance^3 | 34 |
Unit Abbreviations
The following table provides all applicable dimensions for each unit abbreviation.
Abbreviation | Unit Name | Type | Dimension |
---|---|---|---|
% | Percentage | Real | Percent |
arcMin | ArcMinutes | Real | Angle |
Latitude | |||
Longitude | |||
arcSec | ArcSeconds | Real | Angle |
Latitude | |||
Longitude | |||
Au | AstronomicalUnits | Real | Distance |
aW | Attowatts | Real | Power |
PowerLinear | |||
b | Bits | Real | Bits |
cd | Centidays | Real | Time |
cm | Centimeters | Real | Distance |
RadiationShieldThickness | |||
SmallDistance | |||
cm/s | CentimetersperSecond | Real | SmallVelocity |
cycle | Cycles | Real | RepeatCount |
day | Days | Real | Time |
dB | Decibel | Real | Ratio |
dBm | dBm | Real | Power |
dBnW | dBnW | Real | Power |
dBpW | dBpW | Real | Power |
dBsm | Decibel | Real | Rcs |
dBuW | dBuW | Real | Power |
dBW | dBW | Real | Power |
DD/MM/YYYY | DD/MM/YYYYTime | Text | Date |
deg | Degrees | Real | Angle |
AviatorAngleOfAttack | |||
AviatorAttitudeAngle | |||
AviatorBearingAngle | |||
Latitude | |||
Longitude | |||
degC | Celsius | Real | Temperature |
degEast | Degree0to360 | Real | Longitude |
degEastWest | Degree-180to180 | Real | Longitude |
degF | Fahrenheit | Real | Temperature |
DM | Deg:Min.mmm | Text | Latitude |
Longitude | |||
DMS | Deg:Min:Sec | Text | Angle |
AviatorAngleOfAttack | |||
AviatorAttitudeAngle | |||
AviatorBearingAngle | |||
Latitude | |||
Longitude | |||
DMS_Lat | Deg:Min:Sec_Dir | Text | Latitude |
DMS_Lon | Deg:Min:Sec_Dir | Text | Longitude |
EarthEpTU | EarthCanonicalTime | Real | Date |
EarthTU | EarthCanonicalTime | Real | Time |
EpDay | EpochDays | Real | Date |
EpHr | EpochHours | Real | Date |
EpMin | EpochMinutes | Real | Date |
EpSec | EpochSeconds | Real | Date |
EpYr | EpochYears | Real | Date |
FN | Fortnight | Real | Time |
fps | FeetperSecond | Real | DopplerVelocity |
SmallVelocity | |||
ft | Feet | Real | AviatorAltitude |
AviatorDistance | |||
AviatorRunwayLength | |||
Distance | |||
SmallDistance | |||
fur | Furlong | Real | Distance |
SmallDistance | |||
fW | Femtowatts | Real | Power |
PowerLinear | |||
g | Grams | Real | Mass |
G-ISO | ISOStandardG | Real | AviatorG |
G-SeaLevel | StandardSeaLevelG | Real | AviatorG |
gAlPerCmSqr | GramsAlperSquareCm | Real | RadiationShieldThickness |
gauss | Gauss | Real | MagneticField |
Gb | GigaBits | Real | Bits |
GeV | GeV | Real | ParticleEnergy |
GHz | Gigahertz | Real | Bandwidth |
Frequency | |||
GMT | GMTSystem | Text | Date |
GPS | GPSTime | Text | Date |
GPSG | GregorianGPSTime | Text | Date |
GPSZ | GPSZCount | Text | Date |
GW | Gigawatts | Real | Power |
PowerLinear | |||
Gy | Gray | Real | RadiationDose |
HemiSphere | Hemispheres | Real | SolidAngle |
HMS | Hr:Min:Sec | Text | Angle |
AviatorAngleOfAttack | |||
AviatorAttitudeAngle | |||
AviatorBearingAngle | |||
Duration | |||
Latitude | |||
Longitude | |||
hp | Horsepower | Real | AviatorPower |
hr | Hours | Real | AviatorAltTime |
AviatorSmallTime | |||
AviatorTime | |||
Time | |||
Hz | Hertz | Real | Bandwidth |
Frequency | |||
PRF | |||
SpectralBandwidth | |||
in | Inches | Real | Distance |
RadiationShieldThickness | |||
SmallDistance | |||
in/s | InchesperSecond | Real | SmallVelocity |
inHg | Inchesmercury | Real | Pressure |
ISO-Date | ISO8601YMDUTCDate | Text | Date |
ISO-LTZ | ISO8601YMDLCLTimezone | Text | Date |
ISO-YD | ISO8601YDUTC | Text | Date |
ISO-YMD | ISO8601YMDUTC | Text | Date |
JDate | JulianDate | Real | Date |
JDateOff | JulDateOffset | Real | Date |
JDTDB | JulianDateTDB | Real | Date |
JED | JulianEphemerisDate | Real | Date |
K | Kelvin | Real | Temperature |
kb | KiloBits | Real | Bits |
keV | keV | Real | ParticleEnergy |
kft | Kilofeet | Real | AviatorAltitude |
AviatorDistance | |||
AviatorRunwayLength | |||
Distance | |||
SmallDistance | |||
kg | Kilograms | Real | AviatorFuelQuantity |
Mass | |||
kg/hr/N | TSFCKgHrN | Real | AviatorTSFC |
kg/hr/W | PSFCKgHrW | Real | AviatorPSFC |
kg/sec/N | TSFCKgSecN | Real | AviatorTSFC |
kg/sec/W | PSFCKgSecW | Real | AviatorPSFC |
kgf | KilogramForce | Real | AviatorForce |
kHz | Kilohertz | Real | Bandwidth |
Frequency | |||
PRF | |||
km | Kilometers | Real | AviatorAltitude |
AviatorDistance | |||
AviatorRunwayLength | |||
Distance | |||
SmallDistance | |||
kN | Kilonewtons | Real | AviatorForce |
Force | |||
kPa | Kilopascals | Real | Pressure |
kph | KilometersperHour | Real | DopplerVelocity |
kts | NauticalMilesperHour | Real | DopplerVelocity |
KV | KiloVolts | Real | Voltage |
kW | Kilowatts | Real | Power |
PowerLinear | |||
kWatt | FlightKilowatt | Real | AviatorPower |
kWh | kilowatt-hours | Real | AviatorEnergy |
lb | Pounds | Real | AviatorFuelQuantity |
Mass | |||
lbf | Pounds | Real | AviatorForce |
Force | |||
lbm/hr/hp | PSFCLbmHrHp | Real | AviatorPSFC |
lbm/hr/lbf | TSFCLbmHrLbf | Real | AviatorTSFC |
lbm/sec/hp | PSFCLbmSecHp | Real | AviatorPSFC |
lbm/sec/lbf | TSFCLbmSecLbf | Real | AviatorTSFC |
LCLG | GregorianLCL | Text | Date |
LCLJ | JulianLCL | Text | Date |
LTZG | GregorianLCLTimezone | Text | Date |
m | Meters | Real | AviatorAltitude |
AviatorDistance | |||
AviatorRunwayLength | |||
Distance | |||
RadiationShieldThickness | |||
SmallDistance | |||
m-msec | Meter-Millisecond | Real | SARTimeResProd |
m-sec | Meter-Second | Real | SARTimeResProd |
m/s | MetersperSecond | Real | DopplerVelocity |
SmallVelocity | |||
Mb | MegaBits | Real | Bits |
mbar | Millibars | Real | Pressure |
mdeg | MilliDegree | Real | Angle |
Latitude | |||
Longitude | |||
MegW | Megawatts | Real | Power |
PowerLinear | |||
MeV | MeV | Real | ParticleEnergy |
mg | Milligrams | Real | Mass |
mGauss | MilliGauss | Real | MagneticField |
MHz | Megahertz | Real | Bandwidth |
Frequency | |||
PRF | |||
mi | StatuteMiles | Real | AviatorAltitude |
AviatorDistance | |||
AviatorRunwayLength | |||
Distance | |||
SmallDistance | |||
micron | Microns | Real | MicroDistance |
Mils | Mils | Real | RadiationShieldThickness |
min | Minutes | Real | AviatorAltTime |
AviatorSmallTime | |||
AviatorTime | |||
Time | |||
MisElap | MissionElapsed | Text | Date |
MJDsTAI | MJDsTAI | Text | Date |
MJDsUTC | MJDsUTC | Text | Date |
mm | Millimeters | Real | Distance |
RadiationShieldThickness | |||
SmallDistance | |||
mm/s | MillimetersperSecond | Real | SmallVelocity |
mN | Millinewtons | Real | Force |
ModJDate | ModifiedJulianDate | Real | Date |
mph | StatuteMilesperHour | Real | DopplerVelocity |
mrad | MilliRadian | Real | Angle |
Latitude | |||
Longitude | |||
mrads | MilliRads | Real | RadiationDose |
msec | Milliseconds | Real | SmallTime |
mSterad | MilliSteradians | Real | SolidAngle |
mV | MilliVolts | Real | Voltage |
mW | Milliwatts | Real | Power |
PowerLinear | |||
N | Newtons | Real | AviatorForce |
Force | |||
nanom | Nanometers | Real | SmallDistance |
nm | NauticalMiles | Real | AviatorAltitude |
AviatorDistance | |||
AviatorRunwayLength | |||
Distance | |||
SmallDistance | |||
nsec | Nanoseconds | Real | SmallTime |
nSterad | NanoSteradians | Real | SolidAngle |
nT | nanoTesla | Real | MagneticField |
nV | NanoVolts | Real | Voltage |
nW | Nanowatts | Real | Power |
PowerLinear | |||
Pa | Pascals | Real | Pressure |
psec | Picoseconds | Real | SmallTime |
Psi | Poundspersquareinch | Real | Pressure |
pV | PicoVolts | Real | Voltage |
pW | Picowatts | Real | Power |
PowerLinear | |||
QuartSphere | Quarterspheres | Real | SolidAngle |
rad | Radians | Real | Angle |
AviatorAngleOfAttack | |||
AviatorAttitudeAngle | |||
AviatorBearingAngle | |||
Latitude | |||
Longitude | |||
rads | Rads | Real | RadiationDose |
Re | EarthRadii | Real | Distance |
revs | Revolution | Real | Angle |
Latitude | |||
Longitude | |||
s | Seconds | Real | SpecificImpulse |
sec | Seconds | Real | AviatorAltTime |
AviatorSmallTime | |||
AviatorTime | |||
Duration | |||
SmallTime | |||
Time | |||
secTime | SecondsOfTime | Real | Angle |
Latitude | |||
Longitude | |||
semiC | Semicircle | Real | Angle |
Latitude | |||
Longitude | |||
slug | Slugs | Real | Mass |
SphDeg | SphericalDegrees | Real | SolidAngle |
Spheres | Spheres | Real | SolidAngle |
SphRightAng | SphericalRightAngle | Real | SolidAngle |
sqm | SquareMeters | Real | Rcs |
RcsLinear | |||
SqrDeg | SquareDegrees | Real | SolidAngle |
SqrGrade | SquareGrades | Real | SolidAngle |
sqrtm | MeterSquareRoots | Real | Distance |
SmallDistance | |||
Sterad | Steradians | Real | SolidAngle |
SunEpTU | SunCanonicalTime | Real | Date |
SunTU | SunCanonicalTime | Real | Time |
T | Tesla | Real | MagneticField |
TAIG | GregorianTAI | Text | Date |
TAIJ | JulianTAI | Text | Date |
Tb | TeraBits | Real | Bits |
TDBG | GregorianTDB | Text | Date |
TDTG | GregorianTDT | Text | Date |
THz | Terahertz | Real | Frequency |
TW | Terawatts | Real | Power |
PowerLinear | |||
um | Microns | Real | RadiationShieldThickness |
SmallDistance | |||
units | Units | Real | Ratio |
RatioLinear | |||
unitValue | UnitValue | Real | Percent |
urad | MicroRadian | Real | Angle |
Latitude | |||
Longitude | |||
urads | MicroRads | Real | RadiationDose |
usec | Microseconds | Real | SmallTime |
uSterad | MicroSteradians | Real | SolidAngle |
UTCG | GregorianUTC | Text | Date |
UTCJ | JulianUTC | Text | Date |
UTCJFOUR | Julian4UTC | Text | Date |
uV | MicroVolts | Real | Voltage |
uW | Microwatts | Real | Power |
PowerLinear | |||
V | Volts | Real | Voltage |
W | Watts | Real | Power |
PowerLinear | |||
Watt | FlightWatt | Real | AviatorPower |
Wh | watt-hours | Real | AviatorEnergy |
Ws | watt-seconds | Real | AviatorEnergy |
yr | Years | Real | Time |
YYDDD | YYDDD.ddd | Real | Date |
YYYY/MM/DD | YYYY/MM/DDTime | Text | Date |
YYYY:MM:DD | YYYY:MM:DD:HH:MM:SS.sssTime | Text | Date |
YYYYDDD | YYYYDDD.hhmmss | Real | Date |
YYYYMMDD | YYYYMMDD.ddd | Real | Date |