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Celsius to Fahrenheit Converter

Convert °C to °F for weather forecasts, oven temperatures and fever checks.

Quick answer

Multiply by 9/5 (1.8) and add 32: 25 °C × 1.8 + 32 = 77 °F. Quick check: 10 °C = 50 °F, 20 °C = 68 °F, 30 °C = 86 °F. For the reverse, use Fahrenheit to Celsius.

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  • Units
  • Updated October 2026

About the Celsius to Fahrenheit converter

Multiply Celsius by 1.8 and add 32. Quick estimate: double it and add 30 — 25 °C → 80 °F (exact 77 °F).

Common oven settings: 180 °C ≈ 356 °F (recipes often round to 350 °F), 200 °C ≈ 392 °F (≈ 400 °F), 220 °C ≈ 428 °F (≈ 425 °F).

How to use it

  1. Enter °C.
  2. Read °F.
  3. Swap to go the other way.

Celsius to fahrenheit table

Celsius (°C)Fahrenheit (°F)
-40 °C-40 °F
-20 °C-4 °F
-10 °C14 °F
0 °C32 °F
10 °C50 °F
15 °C59 °F
20 °C68 °F
22 °C71.6 °F
25 °C77 °F
30 °C86 °F
35 °C95 °F
37 °C98.6 °F
40 °C104 °F
100 °C212 °F
180 °C356 °F
200 °C392 °F
220 °C428 °F

The formula

°F = °C × 9/5 + 32

  • Example: 25 × 1.8 + 32 = 77 °F.

Frequently asked questions

What is 30 °C in Fahrenheit?

86 °F.

What is 0 °C in Fahrenheit?

32 °F — the freezing point of water.

Results are estimates for planning — check critical figures with a professional or the official source.

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