Fahrenheit to Celsius Calculator
Instantly convert temperatures from Fahrenheit (°F) to Celsius (°C). Enter your value to get precise conversions and helpful temperature context.
Temperature Details
Enter your temperature in Fahrenheit to calculate the exact Celsius equivalent
Enter the temperature in Fahrenheit you wish to convert to Celsius.
Conversion Results
Celsius equivalent and temperature context
Enter your temperature above and click Convert to Celsius to reveal the exact Celsius equivalent and temperature context.
Common Temperatures & Conversions
A quick reference guide for common temperature points across both the Fahrenheit and Celsius scales.
| Description | Fahrenheit (°F) | Celsius (°C) | Context |
|---|---|---|---|
| Absolute Zero | -459.67 | -273.15 | Lowest theoretical temperature |
| Water Freezes | 32 | 0 | Freezing point of water |
| Room Temperature | 68 | 20 | Comfortable indoor climate |
| Human Body | 98.6 | 37 | Average normal body temperature |
| Water Boils | 212 | 100 | Boiling point of water at sea level |
Temperature Conversion FAQ
Everything you need to know about converting temperatures, understanding the scales, and mastering the math behind Fahrenheit and Celsius.
To convert Fahrenheit to Celsius, subtract 32 from the Fahrenheit temperature, then multiply the result by 5, and finally divide by 9. The formula is: °C = (°F – 32) × 5/9.
The exact mathematical formula to convert Fahrenheit (°F) to Celsius (°C) is: °C = (°F – 32) × 5/9. Alternatively, you can multiply by 0.5556, though using the fraction 5/9 provides the most precise result.
The United States continues to use the Fahrenheit scale primarily due to historical precedent and the high cost of transitioning all infrastructure, education, and manufacturing to the metric system. Additionally, many Americans find Fahrenheit more intuitive for weather, as 0-100°F covers most typical seasonal temperatures.
The Celsius scale is based on the properties of water, with 0°C set as the freezing point and 100°C as the boiling point at sea level. The Fahrenheit scale sets the freezing point of water at 32°F and the boiling point at 212°F, creating a 180-degree interval instead of 100.
Absolute zero is the lowest theoretical temperature possible, where all molecular motion ceases. It is defined as -273.15°C on the Celsius scale and -459.67°F on the Fahrenheit scale.
The Fahrenheit scale was proposed in 1724 by Polish-German physicist Daniel Gabriel Fahrenheit. The Celsius scale was proposed in 1742 by Swedish astronomer Anders Celsius, originally with boiling at 0° and freezing at 100°, before being reversed by Carl Linnaeus after Celsius’s death.