How to convert Fahrenheit to Celsius
Use this formula: °C = (°F − 32) × 5/9.
How to convert fahrenheit to celsius without a calculator
Subtract 30, then halve it. Example: 70 °F − 30 = 40, ÷ 2 = 20 °C (exact answer: 21.1 °C).
Popular fahrenheit to celsius conversions
-40 °F to °C-35 °F to °C-30 °F to °C-25 °F to °C-20 °F to °C-15 °F to °C-10 °F to °C-5 °F to °C0 °F to °C5 °F to °C10 °F to °C15 °F to °C20 °F to °C25 °F to °C30 °F to °C35 °F to °C40 °F to °C45 °F to °C50 °F to °C55 °F to °C60 °F to °C65 °F to °C70 °F to °C75 °F to °C80 °F to °C85 °F to °C90 °F to °C95 °F to °C100 °F to °C105 °F to °C110 °F to °C115 °F to °C120 °F to °C145 °F to °C170 °F to °C195 °F to °C220 °F to °C245 °F to °C350 °F to °C475 °F to °C
Fahrenheit to Celsius chart
| Degrees Fahrenheit (°F) | Degrees Celsius (°C) |
|---|---|
| -40 °F | -40 °C |
| -10 °F | -23.3333 °C |
| 0 °F | -17.7778 °C |
| 10 °F | -12.2222 °C |
| 20 °F | -6.66667 °C |
| 25 °F | -3.88889 °C |
| 30 °F | -1.11111 °C |
| 37 °F | 2.77778 °C |
| 40 °F | 4.44444 °C |
| 50 °F | 10 °C |
| 100 °F | 37.7778 °C |
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Frequently asked questions
How many degrees Celsius are in a degree Fahrenheit?
-17.2222 °C equals 1 °F. Temperature scales have different zero points, so use the formula °C = (°F − 32) × 5/9.
How do I convert degrees Fahrenheit to degrees Celsius?
Use the formula °C = (°F − 32) × 5/9.
What is 25 °F in °C?
25 °F = -3.88889 °C.
How do I convert Fahrenheit to Celsius in my head?
Subtract 30, then halve it. Example: 70 °F − 30 = 40, ÷ 2 = 20 °C (exact answer: 21.1 °C).
What is the formula to convert Fahrenheit to Celsius?
°C = (°F − 32) × 5/9. You can also write it as °C = (°F − 32) ÷ 1.8.