Quick Reference

Water freezes: 0°C = 32°F = 273.15K
Water boils: 100°C = 212°F = 373.15K
Room temperature: ~20°C = ~68°F = ~293K

About This Tool

Convert between Celsius, Fahrenheit, and Kelvin instantly. Includes quick reference temperatures for common values.

Frequently Asked Questions

What temperature scales are supported?

Celsius (°C), Fahrenheit (°F), and Kelvin (K).

How do I convert Fahrenheit to Celsius?

Select Fahrenheit in the "From" dropdown, enter your temperature, select Celsius in "To", and see instant results.

What's the difference between Celsius and Kelvin?

Kelvin is an absolute scale starting at absolute zero. To convert: K = °C + 273.15

Can I see common reference temperatures?

Yes! The calculator shows water freezing/boiling points and room temperature in all three scales.

Why use Kelvin?

Kelvin is used in scientific work because it starts at absolute zero, making many calculations simpler.