Temperature Conversion

Convert temperatures between Celsius, Fahrenheit, Kelvin and Rankine, with four linked thermometer diagrams.

Enter any one value
°C
°F
K
°R
°C
water freezeswater boils-50050100150
°F
water freezeswater boils0100200300
K
water freezeswater boils250300350400
°R
water freezeswater boils500600700
°F = °C × 9/5 + 32 · K = °C + 273.15 · °R = (°C + 273.15) × 9/5