Temperature Converter

▲ °C → °F cluster ~823K searches/mo

Convert Celsius, Fahrenheit and Kelvin instantly, with common reference points.

Change the value or the units to convert instantly.
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Quick conversions

FromEquals
0 °C32 °F
100 °C212 °F
37 °C98.6 °F
−40 °C−40 °F

Formula & method

°F = °C × 9/5 + 32. °C = (°F − 32) × 5/9. K = °C + 273.15.

Worked example

0 °C = 32 °F = 273.15 K. 100 °C = 212 °F = 373.15 K. −40 °C = −40 °F.

FAQ

Why is −40 the same in both scales?
It is the point where the two scales cross: −40 °C converts to exactly −40 °F.
What is absolute zero?
−273.15 °C, or 0 K — the lowest possible temperature.
When do Americans use Celsius?
Science, medicine and cooking references often use Celsius even in the US.

Search-volume figures on this site are public third-party estimates from research done in October 2026, not exact Google data. High search volume does not guarantee clicks: Google often answers calculator and conversion queries directly in the search results.

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