Convert °F to °C
A practical reference for converting Fahrenheit (°F) to Celsius (°C), a temperature unit. Type any value for an instant result, or use the reference table below.
Conversion formula
°C = (°F − 32) × 5 ÷ 9A quick mental shortcut: subtract 30 and halve it. The exact formula subtracts 32 and multiplies by 5/9.
Quick reference table
| Fahrenheit | Celsius |
|---|---|
| 0 °F | -17.7778 °C |
| 32 °F | 0 °C |
| 50 °F | 10 °C |
| 60 °F | 15.5556 °C |
| 70 °F | 21.1111 °C |
| 80 °F | 26.6667 °C |
| 90 °F | 32.2222 °C |
| 98.6 °F | 37 °C |
| 100 °F | 37.7778 °C |
| 212 °F | 100 °C |
Need more units?
Use the full unit converter to switch between length, weight, temperature, area, speed, and data units in one place.
Open Unit ConverterFrequently asked questions
How many °C is 1 °F?
Use the formula °C = (°F − 32) × 5 ÷ 9. Temperature scales have different zero points, so you cannot simply multiply.
Why does my result differ slightly from other sites?
Rounding. This page displays four decimal places while the underlying calculation keeps full precision.
Is my input sent to a server?
No. Every calculation runs locally in your browser and nothing is transmitted.
All calculations on this page run in your browser. Your input is never sent to a server.