What is the formula for Fahrenheit to Celsius?

The formula is: °C = (°F − 32) × 5/9. For example, 72°F: (72 − 32) × 5/9 = 22.2°C. A quick shortcut: subtract 30, then divide by 2 for a rough estimate.

What is 32 degrees Fahrenheit in Celsius?

32°F equals exactly 0°C - the freezing point of water. This is the baseline for the conversion formula.

What is 98.6°F in Celsius?

98.6°F equals exactly 37°C - normal human body temperature. This is one of the most commonly referenced Fahrenheit-to-Celsius conversions in medicine.

What is room temperature in both Fahrenheit and Celsius?

Room temperature is typically 68-72°F, which equals 20-22°C. A thermostat set to 70°F is approximately 21.1°C.

Fahrenheit to Celsius (°F to °C) Converter

1 °F = -17.2222 °C

1 Fahrenheit equals -17.2222 Celsius (1 °F = -17.2222 °C). Convert Fahrenheit to Celsius with formula, table, and examples.

To convert Fahrenheit to Celsius, subtract 32 and multiply by 5/9. This conversion is essential for Americans traveling to metric countries, understanding international weather forecasts, converting cooking temperatures from American recipes, and interpreting scientific data that uses Celsius.

How to Convert Fahrenheit to Celsius

°C = (°F − 32) × 5/9

Formula: Fahrenheit to Celsius

Take your Fahrenheit value
Subtract 32
Multiply by 5/9 (or 0.5556)
Read the result in Celsius

Common Fahrenheit to Celsius Conversions

Fahrenheit (°F)	Celsius (°C)	Status
-40 °F	-40 °C
0 °F	-17.78 °C
10 °F	-12.22 °C
20 °F	-6.67 °C
32 °F	0 °C
40 °F	4.44 °C
50 °F	10 °C
60 °F	15.56 °C
68 °F	20 °C
72 °F	22.22 °C
75 °F	23.89 °C
80 °F	26.67 °C
90 °F	32.22 °C
98.6 °F	37 °C
100 °F	37.78 °C
120 °F	48.89 °C
150 °F	65.56 °C
200 °F	93.33 °C
212 °F	100 °C
250 °F	121.11 °C
300 °F	148.89 °C
350 °F	176.67 °C
400 °F	204.44 °C
450 °F	232.22 °C
500 °F	260 °C

Good to Know About Fahrenheit to Celsius Conversion

When Americans move abroad, learning to think in Celsius is one of the biggest daily adjustments. Key benchmarks to memorize: 0°C = freezing, 20°C = room temp, 37°C = body temp, 100°C = boiling.

Fahrenheit to Celsius: What You Need to Know

When an American sees a European weather forecast of 35°C, they need to know that's a scorching 95°F. Conversely, a comfortable 72°F room temperature is about 22°C. Medical professionals in the US use Fahrenheit (fever threshold: 100.4°F), while the rest of the world uses Celsius (fever threshold: 38°C). This conversion bridges the gap.

What is a Fahrenheit? °F

A temperature scale where 32°F is the freezing point and 212°F is the boiling point of water. Primarily used in the United States.

Imperial Us-customary weather (US) cooking (US) HVAC

Learn more about Fahrenheit →

What is a Celsius? °C

A metric temperature scale where 0°C is the freezing point and 100°C is the boiling point of water. Used worldwide except in the US.

Metric weather cooking science

Learn more about Celsius →

Going the other way? Use our Celsius to Fahrenheit converter.

Fahrenheit to Celsius FAQ

The formula is: °C = (°F − 32) × 5/9. For example, 72°F: (72 − 32) × 5/9 = 22.2°C. A quick shortcut: subtract 30, then divide by 2 for a rough estimate.
32°F equals exactly 0°C - the freezing point of water. This is the baseline for the conversion formula.
98.6°F equals exactly 37°C - normal human body temperature. This is one of the most commonly referenced Fahrenheit-to-Celsius conversions in medicine.
Room temperature is typically 68-72°F, which equals 20-22°C. A thermostat set to 70°F is approximately 21.1°C.

Non-Frequently Asked Questions About Fahrenheit to Celsius

Questions nobody should ask - but someone did.

No. Daniel Gabriel Fahrenheit invented a mercury thermometer and a temperature scale. Heat existed for roughly 13.8 billion years before he came along in 1714.
Not even close. Fahrenheit set 0 degrees at the coldest temperature he could create with an ice-salt mixture. Absolute zero is minus 459.67 degrees Fahrenheit. Space is about minus 455 degrees Fahrenheit. His zero was just a really cold day in Danzig.
You will feel exactly the same temperatures. You will just be confused about the numbers. 20 degrees Celsius sounds cold to an American but is actually a pleasant spring day. Your body does not care what number is on the sign.