Temperature Conversion Calculator and formulas
Temperature degrees conversions of Fahrenheit (°F), Celsius (°C), Kelvin (K), Rankine (°R).
Enter the temperature in one of the text boxes and press the Convert button:
The temperature calculator allows you to convert temperature degrees between Celsius, Fahrenheit, Kelvin, Rankine, Delisle, Newton, Réaumur and Rømer. Enter a value in any field to see the other values.
Formulas for Converting Temperature Scales:
| Celsius Temperature Conversion Formula |
| Celsius to Fahrenheit Conversion |
[°F] = [°C] × 9/5 + 32 |
| Celsius to Kelvin Conversion |
[K] = [°C] + 273.15 |
| Celsius to Rankine Conversion |
[°R] = [°C] × 9/5 + 491.67 |
| Fahrenheit Temperature Conversion Formula |
| Fahrenheit to Celsius Conversion |
[°C] = ([°F] − 32) × 5/9 |
| Fahrenheit to Kelvin Conversion |
[K] = ([°F] + 459.67) × 5/9 |
| Fahrenheit to Rankine Conversion |
[°R] = [°F] + 459.67 |
| Kelvin Temperature Conversion Formula |
| Kelvin to Celsius Conversion |
[°C] = [K] − 273.15 |
| Kelvin to Fahrenheit Conversion |
[°F] = [K] × 9/5 − 459.67 |
| Kelvin to Rankine Conversion |
[°R] = [K] × 9/5 |
| Rankine Temperature Conversion Formula |
| Rankine to Celsius Conversion |
[°C] = [°R] × 5/9 − 273.15 |
| Rankine to Fahrenheit Conversion |
[°F] = [°R] − 459.67 |
| Rankine to Kelvin Conversion |
[K] = [°R] × 5/9 |