How do I convert Celsius to Fahrenheit?

To convert Celsius to Fahrenheit, multiply by 1.8 and add 32. For example, 20°C equals 68°F.

How do I convert Fahrenheit to Celsius?

To convert Fahrenheit to Celsius, subtract 32 and multiply by 5/9. For example, 68°F equals 20°C.

How do I convert Celsius to Kelvin?

To convert Celsius to Kelvin, add 273.15. For example, 0°C equals 273.15 K.

Temperature Converter | Celsius, Fahrenheit & Kelvin

Common Temperature Conversions

The most frequently searched temperature conversions: Celsius to Fahrenheit (°C × 9/5 + 32), Fahrenheit to Celsius ((°F - 32) × 5/9), Celsius to Kelvin (°C + 273.15), Kelvin to Celsius (K - 273.15), and Fahrenheit to Kelvin.

About Temperature Scales

Celsius (°C) and Kelvin (K) are part of the metric system. Fahrenheit (°F) is commonly used in the United States. Kelvin is the SI base unit of temperature and starts at absolute zero (0 K = -273.15°C).

About This Converter

Part of MetricToImperial.com, providing free accurate unit conversions since 2007. Also try the ImperialToMetric.com interactive converter for 100+ unit categories in one place.