Fahrenheit to Celsius Converter
Convert Fahrenheit (F) to Celsius (C) instantly. Free online temperature conversion tool.
1 F
-17.222222 C
1 C = 33.8 F
Fahrenheit to Celsius Conversion Table
| Fahrenheit (F) | Celsius (C) |
|---|---|
| 1 F | -17.2222 C |
| 5 F | -15 C |
| 10 F | -12.2222 C |
| 25 F | -3.8889 C |
| 50 F | 10 C |
| 100 F | 37.7778 C |
| 250 F | 121.1111 C |
| 500 F | 260 C |
| 1000 F | 537.7778 C |
How to Convert Fahrenheit to Celsius
To convert Fahrenheit (F) to Celsius (C), use the temperature conversion formula. For example, 1 F equals -17.22 C.
Use our free online converter above for instant, accurate results. No signup required.
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Fahrenheit to Celsius — FAQ
How accurate is the Fahrenheit to Celsius conversion?
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The conversion uses an exact or high-precision factor sourced from international standards (BIPM/NIST). Results are computed with 64-bit floating-point arithmetic and displayed to up to 10 significant figures to minimize rounding errors for all practical purposes.
Can I convert multiple values at once?
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The conversion table above shows common values automatically. For bulk conversions, use the interactive temperature converter where you can type any value and see the result instantly. The converter supports all units in the temperature category, not just F and C.
Is this converter free to use?
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Yes. This converter is completely free with no account or sign-up required. It runs entirely in your browser and works on desktop, tablet, and mobile devices.
Where does the conversion factor between F and C come from?
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Conversion factors are sourced from definitions published by the International Bureau of Weights and Measures (BIPM) and the US National Institute of Standards and Technology (NIST). Many factors are exact treaty definitions, such as the inch being defined as exactly 2.54 centimeters.
What other temperature units can I convert?
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The Temperature converter supports all common units in this category. Use the interactive converter to explore all available units and switch between any pair instantly.