Fahrenheit to Celsius (°F → °C)
Convert fahrenheit to celsius instantly. The conversion factor is approximate to engineering precision.
Realtime·temperature·us
Approx
°F
f(x)
°C
-17.2222
Precision [auto]
6
📐°F to °C formulaApprox.
°C = (°F − 32) × 5/9
Inverse: °F = °C × 9/5 + 32
Worked example: 32 °F = 0 °C (freezing water).
ℹ️About these units
Fahrenheit (°F)
Used in the United States, Cayman Islands, Bahamas, Liberia.
Celsius (°C)
Used worldwide for weather and everyday temperature.
📊Reference table: °F → °C
| Fahrenheit (°F) | Celsius (°C) |
|---|---|
| -40 | -40 |
| -30 | -34.4444 |
| -20 | -28.8889 |
| -10 | -23.3333 |
| 0 | -17.7778 |
| 5 | -15 |
| 10 | -12.2222 |
| 15 | -9.4444 |
| 20 | -6.6667 |
| 25 | -3.8889 |
| 30 | -1.1111 |
| 35 | 1.6667 |
| 40 | 4.4444 |
| 50 | 10 |
| 60 | 15.5556 |
| 70 | 21.1111 |
| 80 | 26.6667 |
| 90 | 32.2222 |
| 100 | 37.7778 |
Want a downloadable CSV? Append ?format=csv to the API /api/v1/table endpoint.
🔁Reverse & related
🔌API & widget
GET https://convertnavi.com/api/v1/convert?value=10&from=fahrenheit&to=celsiusEmbed this converter
<div data-convertnavi="fahrenheit->celsius"></div>
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