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Fahrenheit to Celsius

1 °F = -17.222222 °C

1 Fahrenheit (°F) is equal to -17.222222 Celsius (°C).To convert from fahrenheit into celsius, calculate using the recognized factor equation: (1 − 32) × (5/9) = -17.2222 °C. Enter any value into the calculator below for automatic multi-unit calculations across the entire system.

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How to Convert Fahrenheit to Celsius

Exact Formula

To convert from Fahrenheit (°F) to Celsius (°C), apply the standard mathematical equation:

°C = (°F − 32) × 5/9
Example: (1 − 32) × (5/9) = -17.2222 °C

Subtract 32 from the Fahrenheit temperature, then multiply by 5/9 (approx 0.5556).

Reverse conversion: 1 °C = 33.8 °F.

Fahrenheit to Celsius Conversion Table

Quick lookup for standard increments from 1 to 100 °F

Reference Table
Fahrenheit (°F)Celsius (°C)Quick Copy
1 °F-17.2222 °C
2 °F-16.6667 °C
3 °F-16.1111 °C
5 °F-15 °C
10 °F-12.2222 °C
15 °F-9.4444 °C
20 °F-6.6667 °C
25 °F-3.8889 °C
50 °F10 °C
75 °F23.8889 °C
100 °F37.7778 °C

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Frequently Asked Questions

Common queries regarding Fahrenheit to Celsius calculation formulas

How many celsius are in 1 fahrenheit?

There are exactly -17.222222 celsius (°C) in 1 fahrenheit (°F).

What is the formula to convert from Fahrenheit to Celsius?

To convert Fahrenheit to Celsius: °C = (°F − 32) × 5/9. Subtract 32 from the Fahrenheit temperature, then multiply by 5/9 (approx 0.5556).

How do you convert Celsius back into Fahrenheit?

To convert in reverse from Celsius to Fahrenheit, 1 °C equals approximately 33.8 °F.