Temperature converter

Convert Celsius, Fahrenheit and Kelvin with a choice of decimal places.

Worked example

68 °F is 20 °C and 293.15 K. Convert Fahrenheit to Celsius with (°F − 32) × 5 ÷ 9. Add 273.15 to Celsius to get Kelvin.

How to use the result

A temperature reading and a change in temperature use different formulas. A change of 18 °F is a change of 10 °C. Use this tool for individual readings. It rejects values below absolute zero (0 K, −273.15 °C or −459.67 °F).