C

100 °F to °C

37.78 °C

100 degrees Fahrenheit equals 37.7778 degrees Celsius. That is the usual threshold for a fever.

How the conversion works

This one is a formula rather than a single multiplier:

°C = (°F − 32) × 5/9 → 37.7778 °C

Going the other way: 38 °C to °F — the closest published value to 37.78 °C.

Convert a different temperature

°F =37.78 °C

Open the full temperature converter for every other unit.

Nearby values

°F°C
45 °F7.22 °C
50 °F10 °C
60 °F15.56 °C
70 °F21.11 °C
80 °F26.67 °C
90 °F32.22 °C

Questions

What is 100 °F in °C?
100 °F is 37.78 °C (37.7778 °C to four decimal places).
How do you convert °F to °C?
Use °C = (°F − 32) × 5/9. For 100 °F that gives 37.7778 °C.
What does 100 °F actually mean?
It is the usual threshold for a fever.