Convert Celsius to Fahrenheit

To convert Celsius to Fahrenheit, multiply by 9/5 (1.8) and add 32: °F = °C × 9/5 + 32. So 20 °C = 68 °F and 37 °C = 98.6 °F.

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How to use Celsius to Fahrenheit

  1. Type the temperature in °C (negative values work).
  2. Read the answer in °F with the formula.
  3. Press ⇄ to convert Fahrenheit back to Celsius.

About Celsius to Fahrenheit

Celsius to Fahrenheit: -40 °C = -40 °F · -30 °C = -22 °F · -20 °C = -4 °F · -10 °C = 14 °F · 0 °C = 32 °F · 5 °C = 41 °F · 10 °C = 50 °F · 15 °C = 59 °F · 20 °C = 68 °F · 25 °C = 77 °F · 30 °C = 86 °F · 35 °C = 95 °F · 37 °C = 98.6 °F · 40 °C = 104 °F · 50 °C = 122 °F · 60 °C = 140 °F · 100 °C = 212 °F · 180 °C = 356 °F · 200 °C = 392 °F · 220 °C = 428 °F

Is it private?

Yes. Celsius to Fahrenheit runs entirely in your web browser. What you type is never sent to Nolo or anyone else, and the page cannot send it anywhere: its security policy only allows it to talk to nolotools.com, which has no place to receive data. Nothing is stored either: close the page and it is gone. How Nolo works.

Questions and answers

What is the formula for Celsius to Fahrenheit?

°F = °C × 9/5 + 32. For 25 °C: 25 × 1.8 = 45, + 32 = 77 °F.

Is there a quick way in my head?

Double it and add 30. 20 °C → 70 °F (exact: 68). It drifts at extremes, so use the converter for anything that matters.

What is normal body temperature in °F?

37 °C is 98.6 °F.

Is anything I type sent to a server?

No. The conversion runs in your browser with JavaScript and the page has no way to send your numbers anywhere. It also works offline once the page has loaded.