Temperature Converter
Fahrenheit to Celsius with a fast local calculator, clear formula, and practical examples.
Quick answer
Convert Fahrenheit to Celsius using the formula shown below. This temperature converter is useful for weather, cooking, science, HVAC, and travel planning.
Temperature
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Unit relationship: 1 deg F = -17.2222 deg C and 1 deg C = 33.8 deg F.
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Useful for weather, cooking, science, HVAC, and travel checks.
celsius = (fahrenheit - 32) x 5 / 9
This calculator uses the standard conversion formula and rounds the final answer to 4 decimal places.
Formula explorer
1. Formula
celsius = (fahrenheit - 32) x 5 / 9
2. Worked example
-40 deg F = -40 deg C
Start with -40 fahrenheit, apply the formula, then round the result.
3. Reverse check
Celsius to Fahrenheit Converter
Use the reverse converter to check the answer or go from celsius back to fahrenheit.
Temperature conversions often need an offset because the zero points of fahrenheit and celsius are different. Follow the formula order exactly before rounding.
Use this converter when you need a quick answer for everyday measurements, unit comparisons, worksheets, recipes, product listings, travel planning, or project notes.
For best results, enter the numeric value only. The conversion runs locally in your browser.
Quick guide
Fahrenheit is common for US weather and ovens, while Celsius is common in most countries and science classes.
Student mode
Get a short classroom-style explanation. If AI is not configured, EasyConvertAll uses a local explanation.
Unit encyclopedia
Temperature conversions usually start from a thermometer or a temperature reading.
For cooking, always follow food-safety guidance and use the thermometer reading directly.
| Fahrenheit | Celsius |
|---|---|
| -40 deg F | -40 deg C |
| 32 deg F | 0 deg C |
| 50 deg F | 10 deg C |
| 68 deg F | 20 deg C |
| 98.6 deg F | 37 deg C |
| 212 deg F | 100 deg C |
Printable conversion table
Scan common values, print the table, copy it, or download a CSV for worksheets, notes, spreadsheets, and quick reference.
| Fahrenheit (deg F) | Celsius (deg C) |
|---|---|
| 1 deg F | -17.2222 deg C |
| 2 deg F | -16.6667 deg C |
| 3 deg F | -16.1111 deg C |
| 4 deg F | -15.5556 deg C |
| 5 deg F | -15 deg C |
| 6 deg F | -14.4444 deg C |
| 7 deg F | -13.8889 deg C |
| 8 deg F | -13.3333 deg C |
| 9 deg F | -12.7778 deg C |
| 10 deg F | -12.2222 deg C |
| 11 deg F | -11.6667 deg C |
| 12 deg F | -11.1111 deg C |
| 13 deg F | -10.5556 deg C |
| 14 deg F | -10 deg C |
| 15 deg F | -9.4444 deg C |
| 16 deg F | -8.8889 deg C |
| 17 deg F | -8.3333 deg C |
| 18 deg F | -7.7778 deg C |
| 19 deg F | -7.2222 deg C |
| 20 deg F | -6.6667 deg C |
| 21 deg F | -6.1111 deg C |
| 22 deg F | -5.5556 deg C |
| 23 deg F | -5 deg C |
| 24 deg F | -4.4444 deg C |
| 25 deg F | -3.8889 deg C |
| 26 deg F | -3.3333 deg C |
| 27 deg F | -2.7778 deg C |
| 28 deg F | -2.2222 deg C |
| 29 deg F | -1.6667 deg C |
| 30 deg F | -1.1111 deg C |
| 31 deg F | -0.5556 deg C |
| 32 deg F | 0 deg C |
| 33 deg F | 0.5556 deg C |
| 34 deg F | 1.1111 deg C |
| 35 deg F | 1.6667 deg C |
| 36 deg F | 2.2222 deg C |
| 37 deg F | 2.7778 deg C |
| 38 deg F | 3.3333 deg C |
| 39 deg F | 3.8889 deg C |
| 40 deg F | 4.4444 deg C |
| 41 deg F | 5 deg C |
| 42 deg F | 5.5556 deg C |
| 43 deg F | 6.1111 deg C |
| 44 deg F | 6.6667 deg C |
| 45 deg F | 7.2222 deg C |
| 46 deg F | 7.7778 deg C |
| 47 deg F | 8.3333 deg C |
| 48 deg F | 8.8889 deg C |
| 49 deg F | 9.4444 deg C |
| 50 deg F | 10 deg C |
| 51 deg F | 10.5556 deg C |
| 52 deg F | 11.1111 deg C |
| 53 deg F | 11.6667 deg C |
| 54 deg F | 12.2222 deg C |
| 55 deg F | 12.7778 deg C |
| 56 deg F | 13.3333 deg C |
| 57 deg F | 13.8889 deg C |
| 58 deg F | 14.4444 deg C |
| 59 deg F | 15 deg C |
| 60 deg F | 15.5556 deg C |
| 61 deg F | 16.1111 deg C |
| 62 deg F | 16.6667 deg C |
| 63 deg F | 17.2222 deg C |
| 64 deg F | 17.7778 deg C |
| 65 deg F | 18.3333 deg C |
| 66 deg F | 18.8889 deg C |
| 67 deg F | 19.4444 deg C |
| 68 deg F | 20 deg C |
| 69 deg F | 20.5556 deg C |
| 70 deg F | 21.1111 deg C |
| 71 deg F | 21.6667 deg C |
| 72 deg F | 22.2222 deg C |
| 73 deg F | 22.7778 deg C |
| 74 deg F | 23.3333 deg C |
| 75 deg F | 23.8889 deg C |
| 76 deg F | 24.4444 deg C |
| 77 deg F | 25 deg C |
| 78 deg F | 25.5556 deg C |
| 79 deg F | 26.1111 deg C |
| 80 deg F | 26.6667 deg C |
| 81 deg F | 27.2222 deg C |
| 82 deg F | 27.7778 deg C |
| 83 deg F | 28.3333 deg C |
| 84 deg F | 28.8889 deg C |
| 85 deg F | 29.4444 deg C |
| 86 deg F | 30 deg C |
| 87 deg F | 30.5556 deg C |
| 88 deg F | 31.1111 deg C |
| 89 deg F | 31.6667 deg C |
| 90 deg F | 32.2222 deg C |
| 91 deg F | 32.7778 deg C |
| 92 deg F | 33.3333 deg C |
| 93 deg F | 33.8889 deg C |
| 94 deg F | 34.4444 deg C |
| 95 deg F | 35 deg C |
| 96 deg F | 35.5556 deg C |
| 97 deg F | 36.1111 deg C |
| 98 deg F | 36.6667 deg C |
| 99 deg F | 37.2222 deg C |
| 100 deg F | 37.7778 deg C |
Use the formula celsius = (fahrenheit - 32) x 5 / 9. Enter a value in the calculator above to get a rounded result instantly.
Yes. The conversion runs locally in your browser, with no account, database, or paid API.
Results are rounded to 4 decimal places for a practical balance of accuracy and readability.