Converters • Temperature Converter
Fahrenheit to Celsius Conversion Calculator
To convert degrees Fahrenheit (°F) to Celsius (°C), subtract 32 from the Fahrenheit temperature and multiply the result by 5/9.
Converted Result
-17.22 °C
1 °F = -17.222222 °C
Equivalent Values in Other Units
Kelvin
255.9278 K
Rankine
460.67 °R
Reverse Conversion Available
Celsius to Fahrenheit Converter (°C to °F)
Formula & Calculation Method
Subtract 32 from the Fahrenheit reading and multiply by 5/9 (or divide by 1.8).
Conversion Formula
°C = (°F - 32) × 5/9
Step-by-Step Worked Example
To convert 98.6°F to Celsius: (98.6 - 32) × 5/9 = 66.6 × 5/9 = 37°C.
Fahrenheit to Celsius Conversion Table
Quick reference values for common fahrenheit measurements.
1 °F = -17.222222 °C
| Fahrenheit (°F) | Celsius (°C) |
|---|---|
| -40 °F | -40 °C |
| 0 °F | -17.777778 °C |
| 32 °F | 0 °C |
| 50 °F | 10 °C |
| 68 °F | 20 °C |
| 70 °F | 21.111111 °C |
| 72 °F | 22.222222 °C |
| 75 °F | 23.888889 °C |
| 80 °F | 26.666667 °C |
| 85 °F | 29.444444 °C |
| 90 °F | 32.222222 °C |
| 98.6 °F | 37 °C |
| 100 °F | 37.777778 °C |
| 212 °F | 100 °C |
| 350 °F | 176.666667 °C |
| 400 °F | 204.444444 °C |
Related Temperature Converter Conversions
Frequently Asked Questions
Subtract 30 and divide by 2 for a fast approximation. For example: 80°F - 30 = 50 / 2 = 25°C (exact is 26.67°C).