CalSolve

Fahrenheit to Celsius Converter

Convert Fahrenheit to Celsius (°F to °C) quickly and accurately.

Quick conversion table

FahrenheitCelsius
-40 °F-40 °C
-20 °F-28.88889 °C
-10 °F-23.33333 °C
0 °F-17.77778 °C
5 °F-15 °C
10 °F-12.22222 °C
15 °F-9.44444 °C
20 °F-6.66667 °C
25 °F-3.88889 °C
30 °F-1.11111 °C
32 °F0 °C
35 °F1.66667 °C
37 °F2.77778 °C
FahrenheitCelsius
40 °F4.44444 °C
50 °F10 °C
60 °F15.55556 °C
68 °F20 °C
77 °F25 °C
80 °F26.66667 °C
98.6 °F37 °C
100 °F37.77778 °C
180 °F82.22222 °C
200 °F93.33333 °C
212 °F100 °C
220 °F104.44444 °C

About this tool

The Fahrenheit scale, proposed by Daniel Gabriel Fahrenheit in 1724, sets water's freezing point at 32° and its boiling point at 212°. It is still the everyday scale used in the United States for weather, cooking and body temperature.

The Celsius scale sets water's freezing point at 0° and boiling point at 100°, and is used by nearly every other country in the world, as well as throughout science.

This converter is useful when you encounter a Fahrenheit reading — a US weather forecast, an oven dial, or a body temperature — and want the Celsius figure used almost everywhere else.

Worked example

  1. 1Start with your value in Fahrenheit. For example, 32 °F.
  2. 2Apply the formula: °C = (°F − 32) × 5/9.
  3. 332 °F converts to 0 °C.

Formula

°C = (°F − 32) × 5/9

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Frequently asked questions

How do I convert Fahrenheit to Celsius?
To convert Fahrenheit to Celsius, apply the formula: °C = (°F − 32) × 5/9.
What is 1 °F in Celsius?
1 °F is equal to -17.22222 °C.
What is 10 °F in Celsius?
10 °F is equal to -12.22222 °C.
What is 100 °F in Celsius?
100 °F is equal to 37.77778 °C.
What is a normal body temperature in both scales?
A typical human body temperature is often cited as 98.6°F, which is 37°C. Normal body temperature actually varies somewhat by person and time of day.