How to convert Celsius to Fahrenheit
Multiply Celsius by 9/5, then add 32. For example, 20 × 9/5 + 32 = 68°F.
FormulaFahrenheit = Celsius × 9/5 + 32
Examples
- 0 °C = 32 °F
- 10 °C = 50 °F
- 20 °C = 68 °F
Temperature calculator
Celsius to Fahrenheit converter
Convert Celsius to Fahrenheit for weather, cooking, room temperature, science, travel, and oven settings.
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Enter a value, choose units, and copy the result. The formula and table update automatically.
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Helpful resources
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Digital ThermometersHelpful for Celsius and Fahrenheit checks around the home.
Kitchen ThermometersUseful when cooking temperatures need quick conversion.
Oven ThermometersCheck oven accuracy when recipes use °C or °F.
Candy ThermometersHelpful for baking, syrups, and temperature-sensitive recipes.
Room ThermometersUseful for indoor temperature checks in either scale.
Outdoor ThermometersCompare weather readings in Fahrenheit and Celsius.
Kitchen NotesRecord converted oven temperatures and recipe adjustments.
When to use this calculator
This converter is useful when you need a quick everyday answer, a repeatable formula, or a table of common values. It is especially handy for shopping, recipes, travel, fitness, school work, labels, dimensions, and international measurements.
For critical applications, double-check the result against a trusted standard or professional tool.
Conversion table
Celsius to Fahrenheit table
| Celsius | Fahrenheit |
|---|---|
| -40 °C | -40 °F |
| -20 °C | -4 °F |
| 0 °C | 32 °F |
| 10 °C | 50 °F |
| 20 °C | 68 °F |
| 21 °C | 69.8 °F |
| 25 °C | 77 °F |
| 30 °C | 86 °F |
| 37 °C | 98.6 °F |
| 40 °C | 104 °F |
| 100 °C | 212 °F |
| 180 °C | 356 °F |
| 200 °C | 392 °F |
| 230 °C | 446 °F |
Reverse conversion
Need to go the other way? Use the related calculator below or press the swap button in the converter above.
FAQ
Celsius to fahrenheit converter questions
What is 20°C in Fahrenheit?
20°C equals 68°F.
What is the formula for Celsius to Fahrenheit?
Fahrenheit = Celsius × 9/5 + 32.
Is 180°C the same as 350°F?
180°C is 356°F, commonly rounded near 350°F in oven charts.