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20 fahrenheit to celsius (20 f to c)

20 °F equals -6.667 °C. This is the exact conversion for 20 fahrenheit to celsius, derived from exact SI/NIST definitions using the affine °C/°F formula (°F = °C × 9/5 + 32, not a simple multiply). It's also written 20 °F to °C, 20 f to c, 20 degrees fahrenheit to celsius, 20 degrees f to c. See nearby values below, or open the full Unit Converter to convert any other value or unit.

Quick answer

20 °F = -6.667 °C

  • 1 °F = -17.222 °C
  • Temperature is affine — °F = °C × 9/5 + 32 (not a factor)
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Frequently asked questions

What is 20 fahrenheit in celsius?

20 °F is -6.667 °C. Temperature converts with the affine formula (°F = °C × 9/5 + 32), not a single multiplier.

How do I convert fahrenheit to celsius?

Apply the affine temperature formula rather than multiplying (°F = °C × 9/5 + 32). Open the full Unit Converter to convert any value.

Is 20 °F to °C the same as 20 fahrenheit to celsius?

Yes — 20 °F to °C and 20 fahrenheit to celsius are the same conversion: 20 °F = -6.667 °C.

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