Celsius to Fahrenheit Converter — °C to °F

Convert Celsius to Fahrenheit with the formula shown and a table of everyday temperatures. Free, no sign-up, and your files never leave your device.

Free, with no sign-up and no watermark. The file is processed in your browser and never uploaded.

Convert Celsius to Fahrenheit with the formula °F = °C × 9/5 + 32, shown under the result. The table includes freezing and boiling points, room temperature and fever thresholds.

Step by step

  1. Type the value in degrees Celsius: Enter a number in the From box — commas and spaces as thousands separators are fine.
  2. Read the result: The answer in degrees Fahrenheit appears instantly in the To box and in the large result line below.
  3. Swap if needed: Press the Swap units button (⇄) to convert the other way, or change either unit in its dropdown.
  4. Copy it: Use Copy to put the result on your clipboard, or check the reference table for common values.

Handy for

Weather

Understand forecasts from countries that use Fahrenheit.

Cooking

Convert oven temperatures in recipes.

Body temperature

37 °C is 98.6 °F, a typical normal reading.

Science homework

Check conversions quickly with the exact formula.

Good to know

  • −40 is the one temperature that is the same in both scales.

  • Kelvin is available on the Celsius to Kelvin page.

Questions

What is the formula?

Multiply by 9, divide by 5, then add 32. For example, 25 °C × 9/5 + 32 = 77 °F.

Is anything sent to a server?

No. Every calculation runs in your browser, so the numbers you type never leave your device. The page keeps working offline once it has loaded.

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