Celsius to Fahrenheit Converter
Convert Celsius to Fahrenheit instantly. Formula °F = °C × 9/5 + 32, worked examples and a quick reference chart for common temperatures.
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How to use it
- Type a value in the celsius box.
- The result in fahrenheit appears instantly.
- Type in the second box to convert the other way.
Formula
°F = °C × 9/5 + 32. Type in either box — the conversion works both ways.
Celsius to Fahrenheit: chart
| Celsius (°C) | Fahrenheit (°F) |
|---|---|
| -40 °C | -40 °F |
| -20 °C | -4 °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 |
| 40 °C | 104 °F |
| 50 °C | 122 °F |
| 100 °C | 212 °F |
| 180 °C | 356 °F |
| 200 °C | 392 °F |
| 220 °C | 428 °F |
Popular conversions
-40 °C to °F-30 °C to °F-20 °C to °F-18 °C to °F-10 °C to °F-5 °C to °F0 °C to °F5 °C to °F10 °C to °F15 °C to °F16 °C to °F18 °C to °F20 °C to °F21 °C to °F22 °C to °F23 °C to °F24 °C to °F25 °C to °F26 °C to °F27 °C to °F28 °C to °F29 °C to °F30 °C to °F31 °C to °F32 °C to °F33 °C to °F34 °C to °F35 °C to °F36 °C to °F37 °C to °F38 °C to °F39 °C to °F40 °C to °F45 °C to °F50 °C to °F60 °C to °F100 °C to °F150 °C to °F160 °C to °F170 °C to °F180 °C to °F200 °C to °F220 °C to °F250 °C to °F
Frequently asked questions
What is the formula for Celsius to Fahrenheit?
Multiply the Celsius temperature by 9/5 (or 1.8) and add 32. Example: 25 °C × 1.8 + 32 = 77 °F.
Is there a quick mental shortcut?
Double the Celsius value and add 30. It is close for everyday temperatures (25 °C → 80 °F, actual 77 °F) but not exact.
At what temperature are Celsius and Fahrenheit equal?
At −40: −40 °C equals −40 °F.
What is normal body temperature in Fahrenheit?
About 37 °C, which is 98.6 °F.