Temperature Converter Calculator

Temperature scales differ by application: Celsius for daily use, Fahrenheit in the US, Kelvin in science.

What this calculator does

Key conversions: 0°C = 32°F = 273.15K. 100°C = 212°F = 373.15K. -40°C = -40°F.

Frequently asked questions

How do you convert Celsius to Fahrenheit?

°F = (°C × 9/5) + 32. Example: 20°C = 68°F.