Calchy.
Conversion - Fahrenheit to Celsius

What is 45°F in Celsius?

Answer
7.2
°C
(45 − 32) × 5/9 = 7.2 °C
How we got there
  1. 01Subtract 32: 45 − 32 = 13.0
  2. 02Multiply by 5/9 (≈ 0.5556): 13.0 × 5/9 = 7.2 °C
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