Convert Fahrenheit temperatures to Celsius.
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68°F = 20°C.
Convert Fahrenheit temperatures to Celsius. The result is intended for quick estimates, checking arithmetic and comparing scenarios. When a result affects a contract, tax filing, medical decision, building-code requirement or other high-stakes situation, verify the result with the appropriate professional or authoritative source.
68 degrees Fahrenheit converts to 20 degrees Celsius: (68 − 32) × 5 ÷ 9.
Remove the Fahrenheit offset before applying the scale factor.
For temperature differences, use only the 5/9 scale and do not subtract 32.
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Convert Fahrenheit temperatures to Celsius.
Celsius = (Fahrenheit − 32) × 5/9.
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