Type Symbol Numeric ID
Feet ft 0
Inches in 1
Miles mi 2
Millimeter mm 3
Centimeter cm 4
Meters m 5
Kilometer km 6
Kilometers per hour km/h 7
Knots kts 8
Miles per hour mi/h 9
Meters per second m/s 10
HectoPascals hPa 11
Inches of mercury inHg 12
KiloPascals kPa 13
Millibars mb 14
Millimeters of mercury mmHg 15
Pounds per square inch lbs/in2 16
Celsius C 17
Fahrenheit F 18
Kelvin K 19
Percent % 20
Float 21
Integer 22
Body/duration magnitude Mb 23
Energy magnitude Me 24
Local magnitude Ml 25
Moment magnitude Mi 26
Nuttli surface wave magnitude MbLg 27
Moment magnitude Mw 28
Surface wave magnitude Ms 29
Teleseismic moment magnitude Mt 30
Micrograms per cubic meter of air µg/m³ 31
Watt hours per square meter Wh/m2 32
Watts per square meter W/m2 33
BTU per hour per square foot BTU/hr/ft2 34
Cubic meter per cubic meter m3/m3 35
Cubic foot per cubic foot ft3/ft3 36