WeatherAI
Unit Converter

Temperature Converter

Convert between Fahrenheit, Celsius, and Kelvin instantly. See how temperatures compare across different scales with context about what each temperature feels like.

fahrenheit
72.00°F
celsius
22.22°C
kelvin
295.37K
Comfortable

Ideal room temperature range. Pleasant for most activities.

Common Temperature References

Temperature Conversion Formulas

Fahrenheit to Celsius

°C = (°F - 32) × 5/9

Subtract 32, then multiply by 5/9 (or divide by 1.8)

Celsius to Fahrenheit

°F = (°C × 9/5) + 32

Multiply by 9/5 (or 1.8), then add 32

Celsius to Kelvin

K = °C + 273.15

Simply add 273.15 to the Celsius value

Understanding Temperature Scales

°F

Fahrenheit

Developed by Daniel Fahrenheit in 1724. Water freezes at 32°F and boils at 212°F. Primarily used in the United States for weather and everyday temperatures.

°C

Celsius

Developed by Anders Celsius in 1742. Water freezes at 0°C and boils at 100°C. Used worldwide for scientific and everyday purposes, except in the US.

K

Kelvin

The SI unit of temperature, starting at absolute zero (−273.15°C). Used in scientific contexts. One Kelvin equals one degree Celsius in magnitude.

Get Weather in Any Unit

WeatherAI lets you switch between Fahrenheit, Celsius, and other units with a single tap. See temperatures the way you prefer.

Download on the App Store

Free to download • No credit card required