Fahrenheit to Celsius Converter
Convert fahrenheit to celsius instantly. Formula: °C = (°F − 32) × 5/9. Free, no ads walls, runs in your browser.
1 Fahrenheit (°F)
-17.2222222222
Celsius (°C)
Celsius (°C) = (Fahrenheit (°F) − 32) × 5/9
1 Fahrenheit (°F) equals
Celsius (°C)
-17.2222222222
Kelvin (K)
255.927777778
Convert fahrenheit to celsius instantly with this free online converter — the units are already selected above, so just type your value and read the result. It's most often needed for weather, fevers, and converting American recipes to metric oven temperatures.
The conversion uses the exact formula °C = (°F − 32) × 5/9. Quick reference: 32 °F = 0 °C, 68 °F = 20 °C, 98.6 °F = 37 °C, 350 °F = 176.7 °C. All math runs locally in your browser with 12-digit precision — nothing is sent to a server, and there's no sign-up or paywall.
How to convert units online
- 1Pick a category tab at the top — Length, Weight, Temperature, Volume, Area, Speed, or Data.
- 2Enter the number you want to convert in the Value field.
- 3Choose your starting unit in the From dropdown and your target unit in the To dropdown — the result updates instantly as you type.
- 4Click the swap button between the dropdowns to reverse the conversion direction.
- 5Check the formula shown under the result, and use the quick-reference grid below to see your value’s equivalent in every other unit of the category.
Frequently asked questions
What is the formula to convert fahrenheit to celsius?
°C = (°F − 32) × 5/9. The converter above applies it instantly as you type and shows the formula used under the result.
What are some common fahrenheit to celsius conversions?
32 °F = 0 °C, 68 °F = 20 °C, 98.6 °F = 37 °C, 350 °F = 176.7 °C
Can I convert celsius back to fahrenheit?
Yes — click the swap button between the two unit selectors to reverse the conversion direction instantly.
Is this converter accurate?
Yes. It uses exact international conversion factors and computes to 12 significant digits, entirely in your browser.
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