FM 6-05 Chapter 6 · Numbers and units
Unit converter
Length, area, volume, mass, temperature, speed, pressure, energy, power, data rate, angle and time, from free text like 5 ft 11 in.
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Accepts 5 ft 11 in · 72 °F · 3 mi to km · 1,5 kWh · 12°30′ · 100 Mbps · 2 lb 3 oz
Read as 5 ft + 11 in Length
- Mixed
- 5 ft 11 in
All units of length
- nm nanometre
- 1,803,400,000
- µm micrometre
- 1,803,400
- mm millimetre
- 1,803.4
- cm centimetre
- 180.34
- m metre
- 1.8034
- km kilometre
- 0.0018034
- thou thou (mil)· 1/1000 in
- 71,000
- in inch· 25.4 mm
- 71
- ft foot· 12 in
- 5.91666666667
- yd yard· 0.9144 m
- 1.97222222222
- mi mile· 1760 yd
- 0.00112058080808
- nmi nautical mile· 1852 m
- 0.000973758099352
Definitions are exact where a standard fixes them: inch 25.4 mm and pound 0.45359237 kg (1959 international agreement), US gallon 231 in³, imperial gallon 4.54609 L. Calorie means the thermochemical calorie, 4.184 J; kcal is the food Calorie. BTU is the International Table BTU, 1055.05585262 J. hp is mechanical horsepower (550 ft·lbf/s), PS and hk are metric (75 kgf·m/s). mmHg and inHg are the conventional values. Plain gal, pt and fl oz are US; write imp gal for imperial. Temperatures convert as readings, not differences: a change of 1 °C is a change of 1.8 °F. A comma between digits is a decimal comma.