Temperature converter
°F = °C × 9 ÷ 5 + 32 and °C = (°F − 32) × 5 ÷ 9. Kelvin is °C + 273.15. Values below absolute zero (−273.15 °C) are rejected.
Worked example
- 100 °C = 212 °F
- 37 °C = 98.6 °F
- −40 °C = −40 °F
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Questions people ask
At what temperature are °C and °F equal?
At −40. −40 °C is exactly −40 °F.
Can I enter a negative value?
Yes. Temperatures can be negative, down to absolute zero (−273.15 °C, −459.67 °F or 0 K).