Convert celsius to fahrenheit instantly. Type a value below to see the result, or press Swap direction to convert fahrenheit back to celsius. The tool uses the exact conversion factor, and a quick-reference table is below.
Fahrenheit
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Conversion formula
°F = °C × 9 ÷ 5 + 32
A quick shortcut: double the Celsius, subtract 10 percent, then add 32. 20 °C becomes 40 − 4 + 32 = 68 °F.
Quick reference table
| Celsius (°C) | Fahrenheit (°F) |
|---|---|
| -40 °C | -40 °F |
| -10 °C | 14 °F |
| 0 °C | 32 °F |
| 10 °C | 50 °F |
| 20 °C | 68 °F |
| 25 °C | 77 °F |
| 30 °C | 86 °F |
| 37 °C | 98.6 °F |
| 50 °C | 122 °F |
| 100 °C | 212 °F |
Frequently asked questions
How do I convert celsius to fahrenheit?
°F = °C × 9 ÷ 5 + 32
How do I convert fahrenheit back to celsius?
Use the reverse formula, or press Swap direction in the converter above. You can also use our reverse converter.
What is 37 °C in Fahrenheit?
Normal body temperature, 37 °C, is 98.6 °F.
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Conversions use standard factors. Check critical measurements.