Calchy.
Conversion - Fahrenheit to Celsius

What is 0°F in Celsius?

Answer
-17.8
°C
(0 − 32) × 5/9 = -17.8 °C
How we got there
  1. 01Subtract 32: 0 − 32 = -32.0
  2. 02Multiply by 5/9 (≈ 0.5556): -32.0 × 5/9 = -17.8 °C
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