Convert Fahrenheit to Celsius

Convert °F to °C with the formula shown.

Fahrenheit to Celsius Converter

Universal unit converter engine

Conversion Category

From Value

Converted Result

Conversion Formula1 nm = 0.001 µm

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What does Fahrenheit to Celsius Converter do?

Convert Fahrenheit to Celsius using (°F − 32) × 5/9, with the working shown. Reference charts cover weather, oven temperatures and body temperature.

How to Use Fahrenheit to Celsius Converter

1
Enter a temperature in FahrenheitAny value above absolute zero.
2
Read the Celsius resultWith the working shown.
3
Use the chartsFor weather and cooking.

Key Features

Formula and substituted working shown
Kelvin shown alongside
Weather reference chart from 0 °F to 110 °F
Oven temperature chart with gas marks
Fever threshold marked on the body temperature reference

Frequently Asked Questions

What is the formula?

°C = (°F − 32) × 5/9. Subtract 32 first, then multiply by 0.5556. For a rough estimate, subtract 30 and halve.

What is 100 °F in Celsius?

37.8 °C — just above normal body temperature, which is why 100 °F is a common fever threshold in Fahrenheit-using countries.

What is 350 °F in Celsius?

176.7 °C, usually written as 180 °C in recipes, which is gas mark 4. The oven chart lists the standard equivalents.

Why does the US still use Fahrenheit?

Largely inertia. Fahrenheit’s 0–100 range maps roughly onto human-experienced weather, which some find intuitive, and the cost of changing every thermostat, oven and forecast has kept it in place.

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Conversions run in your browser using fixed, published factors. Nothing you enter is transmitted, and the tool keeps working with the network disconnected.