Formula & method
Convert Celsius to Fahrenheit and back. °F = °C × 9/5 + 32.
Worked example
20 °C = 68 °F. To convert, multiply by 9/5 and add 32.
FAQ
- How do I convert back?
- Use the ⇄ swap button above, or enter the value in the opposite direction.
- Where do the scales meet?
- At −40: −40 °C is exactly −40 °F.