Fahrenheit to Celsius Converter: Quick & Easy

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Susan Gast, Author and Food Preservation Enthusiast
Susan has been dehydrating and preserving foods for over a decade, sharing practical, tested methods that help readers make healthy, long-lasting meals at home.
Thermometer illustration split between Fahrenheit in red and Celsius in blue for quick temperature conversion.

If you’re visiting from outside the U.S., you probably use Celsius, not Fahrenheit. To make things simple, I created this handy converter.

Use the tool below to quickly switch between Fahrenheit and Celsius.

Temperature Converter

Temperature Converter

Fahrenheit to Celsius

Celsius to Fahrenheit

Scale Freezing Point Boiling Point Notes
Celsius (°C) 0 °C 100 °C Widely used worldwide; also called “centigrade.”
Fahrenheit (°F) 32 °F 212 °F Standard in the U.S. for weather & cooking.
Kelvin (K) 273.15 K 373.15 K Scientific SI scale; no degree symbol; 0 K is absolute zero.
Rankine (°R) 491.67 °R 671.67 °R Engineering/thermodynamics; Fahrenheit-sized degrees, starts at absolute zero.

Note: Kelvin uses no degree symbol. Rankine uses Fahrenheit-sized degrees but starts at absolute zero.

What are the 4 Types of Temperature?

Celsius (°C)

The most widely used temperature scale worldwide, adopted by nearly every country except the United States and a few small nations. Water freezes at 0°C and boils at 100°C. Celsius is also known as centigrade.

Fahrenheit (°F)

Commonly used in the United States, the Cayman Islands, the Bahamas, Belize, and Palau. In this scale, water freezes at 32°F and boils at 212°F. It remains the standard for U.S. weather forecasts, cooking, and daily life.

Kelvin (K)

The scientific standard for measuring temperature in physics and chemistry. The Kelvin scale starts at absolute zero (0 K), the coldest possible temperature. Water freezes at 273 K and boils at 373 K. Unlike Celsius and Fahrenheit, Kelvin does not use the degree symbol (°).

Rankine (°R)

Less commonly used, but important in engineering and thermodynamics, especially in the United States. Rankine is based on Fahrenheit degrees but, like Kelvin, starts at absolute zero. Water freezes at 491.67°R and boils at 671.67°R.

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