Celsius to Fahrenheit Converter

20°C equals 68°F. The formula is F = C × 9/5 + 32 — a definition, so it is exact.

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Numbers around it

Celsius	Fahrenheit
-10°C	14°F
0°C	32°F
10°C	50°F
20°C	68°F
25°C	77°F
30°C	86°F
37°C	98.6°F
40°C	104°F
100°C	212°F

Formula: F = C × 9/5 + 32; C = (F − 32) × 5/9; K = C + 273.15. These are definitions, so the only rounding is in the display. Last updated: October 13, 2026 · Clirto — every answer free, every step shown.