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Convert Fahrenheit to Celsius
Type a temperature in degrees Fahrenheit to get it in Celsius: subtract 32, then multiply by 5/9. The chart below goes from a cold day to a hot oven.
Result
21.11111111 degrees Celsius
°C = (°F − 32) × 5/9
Fahrenheit to Celsius chart
| Fahrenheit (°F) | Celsius (°C) |
|---|---|
| -40 | -40 |
| 0 | -17.7778 |
| 10 | -12.2222 |
| 20 | -6.66667 |
| 32 | 0 |
| 40 | 4.44444 |
| 50 | 10 |
| 60 | 15.5556 |
| 70 | 21.1111 |
| 80 | 26.6667 |
| 90 | 32.2222 |
| 98.6 | 37 |
| 100 | 37.7778 |
| 212 | 100 |
| 350 | 176.667 |
| 400 | 204.444 |
In every unit
| Unit | Value |
|---|---|
| Celsius (°C) | 21.11111111 |
| Kelvin (K) | 294.2611111 |
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How to convert Fahrenheit to Celsius
- Type the temperature in degrees Fahrenheit.
- Read it in degrees Celsius. The result updates as you type.
- To go from degrees Celsius to degrees Fahrenheit, press Swap units, or look the value up in the chart.
Questions
Are my values sent anywhere?
No. The calculator works in your browser on this device. Your values are never uploaded or stored, and they’re gone when you close the page.
What’s the formula for Fahrenheit to Celsius?
Subtract 32, then multiply by 5/9 (or divide by 1.8). 70 °F − 32 = 38, and 38 ÷ 1.8 = 21.1 °C.
When are Fahrenheit and Celsius the same?
At −40. −40 °F is also −40 °C, the only temperature where the two scales meet.