100 Fahrenheit to Celsius
100 °F = 37.777778 °C. Change the amount below, or read the formula and the reference table further down.
100 Fahrenheit equals
Celsius
1 °F = -17.222222 °C
The formula
Fahrenheit and Celsius do not share a zero point, so the conversion needs an offset as well as a scale factor.
°C = (°F × 0.55555556 − 17.777778 − 0) ÷ 1
Going the other way? Convert Celsius to Fahrenheit.
Fahrenheit to Celsius table
Values either side of 100 °F.
| Fahrenheit (°F) | Celsius (°C) |
|---|---|
| 0 | -17.7778 |
| 10 | -12.2222 |
| 20 | -6.6667 |
| 30 | -1.1111 |
| 40 | 4.4444 |
| 50 | 10 |
| 60 | 15.5556 |
| 70 | 21.1111 |
| 80 | 26.6667 |
| 90 | 32.2222 |
| 100 | 37.7778 |
| 110 | 43.3333 |
| 120 | 48.8889 |
| 130 | 54.4444 |
| 140 | 60 |
| 150 | 65.5556 |
| 160 | 71.1111 |
| 170 | 76.6667 |
| 180 | 82.2222 |
| 190 | 87.7778 |
| 200 | 93.3333 |
Questions people ask
- What is 1 °F in Celsius?
- 1 °F is -17.222222 °C. The two scales have different zero points, so the gap between them is not a fixed ratio.
- How do I convert Fahrenheit to Celsius by hand?
- These scales have different zero points, so you cannot use a single multiplier. Apply °C = (°F × 0.55555556 − 17.777778 − 0) ÷ 1.
- What is 100 Fahrenheit in Celsius?
- 100 Fahrenheit is 37.777778 Celsius.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.