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Temperature Converter
Convert between Celsius, Fahrenheit and Kelvin instantly. Perfect for cooking, science, weather and travel.
Conversion Formula
°F = (°C × 9/5) + 32 · °C = (°F − 32) × 5/9 · K = °C + 273.15
Common Temperature Converter Reference
| From | Equals | Also |
|---|
| 0 °C | 32 °F | 273.15 K |
| 10 °C | 50 °F | 283.15 K |
| 20 °C | 68 °F | 293.15 K |
| 37 °C (body) | 98.6 °F | 310.15 K |
| 100 °C (boiling) | 212 °F | 373.15 K |
| −40 °C | −40 °F | 233.15 K |
How to Convert Temperature
- Enter the value you want to convert.
- Choose the From unit.
- Choose the To unit.
- Click Convert to see the result instantly.
Frequently Asked Questions
How do I convert Celsius to Fahrenheit?+
Multiply by 9/5 (1.8) then add 32. Example: 25 °C × 1.8 + 32 = 77 °F.
How do I convert Fahrenheit to Celsius?+
Subtract 32, then multiply by 5/9. Example: 77 °F − 32 = 45 × 5/9 = 25 °C.
What is absolute zero?+
Absolute zero is 0 K = −273.15 °C = −459.67 °F. It is the theoretical lowest possible temperature.
At what temperature are Celsius and Fahrenheit equal?+
At −40 degrees. −40 °C = −40 °F.
What is normal body temperature?+
Around 37 °C = 98.6 °F = 310.15 K.
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