Temperature Conversion Formulas
| To Convert To… | Multiply… | By… | |
|---|---|---|---|
| Atmospheres | (atm) | Bar -- Inches Mercury (in Hg) Pounds/square inch (psi) Torr -- |
0.9869 0.03342 0.06805 0.001316 |
| Bar | Atmospheres (atm) Pounds/square inch (psi) |
1.0133 0.06895 |
|
| British Thermal Units | (Btu) | Joules (J) Kilowatt-hours (KWh) Watt-hours (Wh) |
0.000948 3412 3.412 |
| British Thermal Units/hour | (Btu/h) | Kilocalories/hour (kcal/h) Watts (W) |
3.969 3.412 |
| British Thermal Units/inches hour-square foot---°F British Thermal Units/pound British Thermal Units/pound---°F |
(Btu---in) (h-ft2---°F) (Btu/lb) (Btu/lb---°F) |
Watts/meter---°C (W/m---°C) Kilojoules/kilogram (kJ/kg) Kilojoules/kilogram---°C (kJ/kg---°C) |
6.933 0.4299 0.2388 |
| Calories | (cal) | Joules (J) | 0.2388 |
| Centimeters | (cm) | Feet (ft) Inches (in) |
30.48 2.54 |
| Centimeters/second | (cm/s) | Feet/minute (fpm) | 0.508 |
| Cubic centimeters | (cm3or cc) | Cubic feet (ft3) Cubic inches (in3) Milli Liters (ml) |
28,320 16.39 1.0 |
| Cubic feet | (ft3) | Cubic meters (m3) Gallons, U.S. (gal) Liters (l) |
35.32 0.1337 .03532 |
| Cubic feet/minute | (cfm) | Cubic meters/hour (m3/h) Cubic meters/second (m3/s) Liters/second (l/s) |
0.5885 2119 2.119 |
| Cubic inches | (in3) | Cubic centimeters (cm3or cc) | 0.061 |
| Cubic meters | (m3) | Gallons, U.S. (gal) Liters (l) Cubic feet (ft3) |
0.003785 0.001 0.02832 |
| Cubic meters/hour | (m3/h) | Cubic feet/minute (cfm) Gallons/minute (gpm) |
1.699 0.2271 |
| Cubic meters/second | (m3/s) | Cubic feet/minute (cfm) | 0.000472 |
| Feet | (ft) | Centimeters (cm) Meters (m) |
0.03281 3.281 |
| Feet/minute | (fpm) | Centimeters/second (cm/s) Meters/second (m/s) |
1.969 196.9 |
| Gallons, Imperial | -- | Gallons, U.S. (gal) | 0.8327 |
| Gallons, U.S. | (gal) | Cubic feet (ft3) Cubic meters (m3) Gallons, Imperial -- Liters (l) |
7.481 264.2 1.201 0.2642 |
| Gallons/minute | (gpm) | Cubic meters/hour Liters/second (m3/h) (l/s) |
4.403 15.85 |
| Grams | (g) | Ounces (oz) Pounds (lb) |
28.35 453.6 |
| Grams/cubic centimeter | (g/cm3) | Kilograms/cubic meter (kg/m3) Pounds/cubic foot (lb/ft3) Pounds/cubic inch (lb/in3) |
0.001 0.01602 27.68 |
| Inches | (in) | Centimeters (cm) Millimeters (mm) |
0.3937 0.03937 |
| Inches Mercury | (in Hg) | Atmospheres (atm) Torr - |
29.92 25.4 |
| Joules | (J) | British Thermal Units (Btu) Calories (cal) Watt-hours (Wh) |
1055 4.187 3600 |
| Joules/second | (J/s) | British Thermal Units/hour (Btu/h) Watts (W) |
0.2931 1 |
| Kilocalories/hour | (kcal/h) | Btu/hour (Btu/h) | 0.252 |
| Kilograms Kilograms/cubic meter Kilograms/cubic meter Kilograms/square centimeter |
(kg) (kg/m3) (kg/m3) (kg/cm2) |
Pounds (lb) Grams/cubic centimeter (g/cm3) Pounds/cubic foot (lb/ft3) Pounds/square inch (psi) |
0.4536 1000 16.02 0.07031 |
| Kilojoules Kilojoules/kilogram Kilojoules/kilogram---ºC |
(kJ) (kJ/kg) (kJ/kg---ºC) |
Watt-hours (Wh) British Thermal Units/pound(Btu/lb) British Thermal Units/pound---ºF (Btu/lb---ºF) |
3.6 2.326 4.187 |
| Kilometers/hour | (km/h) | Miles/hour (mph) | 1.609 |
| Kilopascals | (kPa) | Pounds/square inch (psi) | 6.895 |
| Kilowatts | (KW) | British Thermal Units/hour (Btu/h) Watts (W) |
0.0002931 0.001 |
| Kilowatt-hours | (KWh) | British Thermal Units Btu) Watt-hours (Wh) |
0.0002931 0.001 |
| Liters | (l) | Cubic Feet (ft3) Cubic Meters (m3) Gallons, U.S. (gal) |
28.32 1000 3.785 |
| Liters/second | (l/s) | Cubic feet/minute (cfm) Gallons/minute (gpm) |
0.4719 0.06309 |
| Meters Meters/second |
(m) (m/s) |
Feet (ft) Feet/minute (fpm) |
0.3048 0.00508 |
| Miles/hour | (mph) | Kilometers/hour (km/h) | 0.6215 |
| Millimeters | (mm) | Inches (in) | 25.4 |
| Newtons/square meter | (N/m2) | Pounds/square inch (psi) | 6,895 |
| Ounces | (oz) | Grams (g) | 0.035274 |
| Pounds | (lb) | Grams (g) Kilograms (kg) |
0.002205 2.205 |
| Pounds/cubic foot | (lb/ft3) | Grams/cubic centimeter (g/cm3) Kilograms/cubic meter (kg/m3) |
62.43 0.06243 |
| Pounds/cubic inch | (lb/in3) | Grams/cubic centimeter (g/cm3) | 0.03613 |
| Pounds/square inch | (psi) | Bar - Kilograms/square centimeter (kg/cm2) Kilopascals (kPa) Newtons/square meter (N/m2) |
14.504 14.22 0.145 0.000145 |
| Square centimeters | (cm2) | Square feet (ft2) Square inches (in2) |
929 6.452 |
| Square feet | (ft2) | Square centimeters (cm2) Square meters (m2) |
0.001076 10.76 |
| Square inches | (in2) | Square centimeters (cm2) | 0.155 |
| Square meters | (m2) | Square feet (ft2) | 0.0929 |
| Torr | Inches Mercury (in. Hg) Pounds/square inch (psi) |
0.03937 51.71 |
|
| Watts | (W) | British Thermal Units/hour (Btu/h) Joules/second (J/s) |
0.2931 1 |
| Watt-hours | (Wh) | British Thermal Units (Btu) Joules (J) Kilojoules (kJ) |
0.2931 0.0002778 0.2778 |
| Watts/meter---ºC Watts/square centimeter Watts/square inch |
(W/m---ºC) (W/cm2) (W/in2) |
 Watts/square inch (W/in2) Watts/square centimeter (W/cm2) |
0.1442 0.155 6.452 |
| Temperature Scale | Convert to by… |
|---|---|
| Fahrenheit | °F = 1.8°C + 32° |
| Celsius | °C =5/9(°F-32°) |
| Rankine | °R = 1.8K + 0.6° °R = °F + 460° |
| Kelvin | K =5/9(°R-0.6°) K = °C + 273° |