Temperature Unit Converter

Temperature conversions are fundamental across all engineering disciplines. Celsius and Fahrenheit are used for everyday measurements, while Kelvin is required for thermodynamic calculations and Rankine for US customary thermodynamic systems.

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All Temperature Equivalents

Temperature Conversion Table

K°C°F°R
-40-313.15-531.67-
-20-293.15-495.67-
0-273.15-459.67-
20-253.15-423.67-
37-236.15-393.07-
50-223.15-369.67-
100-173.15-279.67-
200-73.15-99.67-
500226.85440.33-
1,000726.851,340.3-

Temperature Units

K Kelvin SI

SI base unit of temperature. Absolute thermodynamic scale starting at absolute zero. Required for gas law and thermodynamic calculations.

°C Degree Celsius SI

International standard temperature scale. Water freezes at 0°C and boils at 100°C under standard conditions.

°F Degree Fahrenheit US

US customary temperature scale. Water freezes at 32°F and boils at 212°F. Standard in US HVAC and weather.

°R Degree Rankine US

Absolute temperature scale using Fahrenheit degree intervals. Used in US thermodynamic calculations and gas law applications.

Popular Temperature Conversions

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