Temperature Converter
Celsius, Fahrenheit and Kelvin in any direction.
Your result appears here
Fill in the fields on the left and press Calculate. The answer, the breakdown and a copy button all land in this card.
How it is calculated
°F = °C × 9/5 + 32; K = °C + 273.15
Temperature scales have different zero points, so they need offsets rather than plain multiplication.
Worked example
37 °C × 1.8 + 32 = 98.6 °F, and 37 + 273.15 = 310.15 K.
Questions people ask
Double it and add 30. 20 °C estimates to 70 °F against an exact 68 °F — close enough for weather.
At −40, where Celsius and Fahrenheit read the same. Absolute zero is −273.15 °C, or 0 K.