Kelvin (K): x K
= (x-273.15) °C
= (5/4)(x-273.15) °Réaumur
= (9/5)x-459.67 °F
= (9/5)x °Rankine
Celcius (also centigrade) (°C): x °C
= (x+273.15) K
= (5/4)x °Réaumur
= (9/5)x+32 °F
= (9/5)(x+273.15) °Rankine
Réaumur (°R): x °Réaumur
= (4/5)x °C
Fahrenheit (°F): x °F
= (5/9)(x+459.67) K
= (5/9)(x-32) °C
= (25/36)(x-32) °Réaumur
= (x+459.67) °Rankine
Rankine (°R): x °Rankine
= (5/9)x K
= (5/9)(x-491.67) °C
= (25/36)(x-491.67) °Réaumur
= (x-459.67) °F
Quick Reference for Distance Conversion
millimetre (mm) to metre (m): 1E-3
centimetre (cm) to m: 1E-2
kilometre (km) to m: 1E3
inch (in) to m: 2.54E-2
foot (ft) to m: 3.048E-1 (12 in)
yard (yd) to m: 0.9144 exactly (3 ft)
fathom to m: 1.8288 (2 yd)
chain to m: 2.01168E1 (22 yd)
furlong to m: 2.01168E2 (10 chains, 220 yd)
cable - not precisely defined, 608ft (1/10 UK nautical mile) or 720 ft (120 fathoms)
mile to m: 1.609344E3 (1760 yd)
nautical mile (UK) to m: 1.853184E3 (6080 ft)
nautical mile (international) (n mile) to m: 1.852E3
league - not precisely defined, about 3 miles
astronomic(al) unit (AU) to m: 1.49597870E11
light year (l.y.) to m: 9.4607E15
parsec (pc) to m: 3.0857E16
