Convert Fahrenheit to Celsius
To convert Fahrenheit to Celsius, subtract 32 and multiply by 5/9: °C = (°F − 32) × 5/9. So 70 °F = 21.1 °C and 350 °F = 176.7 °C.
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How to use Fahrenheit to Celsius
- Type the temperature in °F.
- Read the answer in °C with the formula.
- Press ⇄ to convert Celsius back to Fahrenheit.
About Fahrenheit to Celsius
Fahrenheit to Celsius: -40 °F = -40 °C · 0 °F = -17.8 °C · 10 °F = -12.2 °C · 20 °F = -6.7 °C · 32 °F = 0 °C · 40 °F = 4.4 °C · 50 °F = 10 °C · 60 °F = 15.6 °C · 68 °F = 20 °C · 70 °F = 21.1 °C · 75 °F = 23.9 °C · 80 °F = 26.7 °C · 90 °F = 32.2 °C · 98.6 °F = 37 °C · 100 °F = 37.8 °C · 212 °F = 100 °C · 300 °F = 148.9 °C · 350 °F = 176.7 °C · 400 °F = 204.4 °C · 450 °F = 232.2 °C
Is it private?
Yes. Fahrenheit to Celsius 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 Fahrenheit to Celsius?
°C = (°F − 32) × 5/9. For 98.6 °F: 98.6 − 32 = 66.6, × 5/9 = 37 °C.
Is there a quick way in my head?
Subtract 30 and halve it. 70 °F → 20 °C (exact: 21.1).
What oven temperature is 350 °F?
176.7 °C, usually written as 180 °C (or 160 °C for a fan oven).
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.