-40 degrees Fahrenheit to degrees Celsius
-40 °F =
-40 °C
°C = (°F − 32) × 5/9
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How to convert degrees Fahrenheit to degrees Celsius
Use the formula °C = (°F − 32) × 5/9. Plugging in -40 °F gives -40 °C.
Need a different value? Use the Temperature Converter.
Values near -40 °F
| -10 °F | -23.3333 °C |
| -20 °F | -28.8889 °C |
| -30 °F | -34.4444 °C |
| -50 °F | -45.5556 °C |
| -60 °F | -51.1111 °C |
| -80 °F | -62.2222 °C |
| -120 °F | -84.4444 °C |
°F to °C conversion table
-40 °F = -40 °C-20 °F = -28.8889 °C-10 °F = -23.3333 °C0 °F = -17.7778 °C5 °F = -15 °C10 °F = -12.2222 °C15 °F = -9.4444 °C20 °F = -6.6667 °C25 °F = -3.8889 °C30 °F = -1.1111 °C35 °F = 1.6667 °C37 °F = 2.7778 °C40 °F = 4.4444 °C50 °F = 10 °C60 °F = 15.5556 °C70 °F = 21.1111 °C80 °F = 26.6667 °C90 °F = 32.2222 °C100 °F = 37.7778 °C150 °F = 65.5556 °C180 °F = 82.2222 °C200 °F = 93.3333 °C212 °F = 100 °C250 °F = 121.1111 °C300 °F = 148.8889 °C350 °F = 176.6667 °C400 °F = 204.4444 °C450 °F = 232.2222 °C