Celsius to Fahrenheit
Convert celsius to fahrenheit (°C to °F). 20 °C = 68 °F. Use the calculator, formula and conversion table.
How to convert celsius to fahrenheit
Use the scale and offset in this formula. Celsius, Fahrenheit and Kelvin have different zero points.
°F = (°C × 9 ÷ 5) + 32Worked example
20 °C = 68 °F. Change the amount in the calculator above to use your own value.
Units and assumptions
Converts temperature units using their scale factors and offsets. Temperatures below absolute zero are rejected. Oven fan adjustments are a separate calculation.
Calculator results use floating-point arithmetic and are rounded for display. The reference table below uses up to 12 significant digits.
Celsius to Fahrenheit table
| Celsius (°C) | Fahrenheit (°F) |
|---|---|
| -40 | -40 |
| 0 | 32 |
| 20 | 68 |
| 37 | 98.6 |
| 100 | 212 |
About this conversion
What is the formula for celsius to fahrenheit?
°F = (°C × 9 ÷ 5) + 32. Use the scale and offset in this formula. Celsius, Fahrenheit and Kelvin have different zero points.
How do I convert back to celsius?
Use the fahrenheit to celsius calculator to reverse this conversion. You can also use Swap units in the calculator above.
Can I use a different pair of units?
Choose another unit in the calculator, or open the temperature converter to browse all supported pairs.