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Temperature Conversion

This tool calculates equivalent temperature values across several commonly used temperature scales. The Kelvin and Rankine scales are absolute versions of the Celsius and Fahrenheit scales, respectively, meaning that the zero points on these scales reflect a theoretical minimum temperature. In contrast, the zero points on the Celsius and Fahrenheit scales were originally based on observable physical phenomena, such as the freezing point of water.

Celsius:
°C
Fahrenheit:
°F
Kelvin:
K
Rankine:
°R
* The temperature conversion calculates the temperature of absolute zero or above.
Absolute Zero
Celsius -273.15 °C
Fahrenheit -459.67 °F
Kelvin 0 K
Rankine 0 °R

Formulas for Converting Temperature Scales

Celsius to Fahrenheit Conversion

Celsius to Kelvin Conversion

Celsius to Rankine Conversion

Fahrenheit to Celsius Conversion

Fahrenheit to Kelvin Conversion

Fahrenheit to Rankine Conversion

Celsius

100 0
0 °C
°C
=

Fahrenheit

100 0
0 °F
°F

Kelvin

100 0
0 K
K
=

Rankine

100 0
0 °R
°R