Fahrenheit to Celsius Converter

Instant temperature conversion — both ways, with the exact formula.

FREE TOOL · WORKS OFFLINE · NO SIGN-UP
Converting: °F → °C
Result in Celsius (°C)
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Formula: °C = (°F − 32) × 5/9

Type any temperature — the result updates as you type. Use Swap to convert Celsius back to Fahrenheit.

📋 Fahrenheit to Celsius Quick Table

Fahrenheit (°F)Celsius (°C)What it is
-40 °F-40 °CScales meet
32 °F0 °CWater freezes
68 °F20 °CRoom temperature
98.6 °F37 °CBody temperature
212 °F100 °CWater boils

🌡️ How to Use This Fahrenheit to Celsius Converter

  1. 1.Type a temperature. The converted value appears instantly — no button to press, no page reload.
  2. 2.Swap the direction. The ⇄ button flips the converter so you can turn Celsius back into Fahrenheit just as fast.
  3. 3.Check the formula. The exact formula for the current direction is always shown under the result, so you can reuse it anywhere.
  4. 4.Use the quick table. Common reference points — freezing, room and body temperature, boiling — are listed for a fast sanity check.

❓ FAQ

How do you convert Fahrenheit to Celsius?

Subtract 32 from the Fahrenheit temperature, then multiply by 5/9. Formula: °C = (°F − 32) × 5/9. For example, normal body temperature 98.6 °F converts as (98.6 − 32) × 5/9 = 37 °C.

What is 32 degrees Fahrenheit in Celsius?

32 °F is exactly 0 °C — the freezing point of water. At the other end of the scale, water boils at 212 °F, which is exactly 100 °C.

How do you convert Celsius back to Fahrenheit?

Multiply the Celsius temperature by 9/5, then add 32. Formula: °F = °C × 9/5 + 32. For example, 37 °C × 9/5 + 32 = 98.6 °F. The swap button on this page reverses the direction instantly.

Is this Fahrenheit to Celsius converter free?

Yes — 100% free, no sign-up. The conversion happens entirely in your browser; nothing is uploaded, saved or tracked.

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