Temperature conversion
100 °C to K
373.15 K
100 degrees Celsius = 373.15 kelvin. Exact factor: K = °C + 273.15.
Live converter
Edit either field — the other updates instantly. Type decimal values like 38.4.
The formula
K = °C + 273.15
Worked example: 100 + 273.15 = 373.15 K.
Values near 100 °C
| °C | K |
|---|---|
| 97 | 370.15 |
| 98 | 371.15 |
| 99 | 372.15 |
| 100this page | 373.15 |
| 101 | 374.15 |
| 102 | 375.15 |
| 103 | 376.15 |
Frequently asked
How do you convert degrees Celsius to kelvin?
Apply the formula K = °C + 273.15. Enter any value in the live converter above and the result updates as you type.
What is 100 °C in K?
100 °C equals 373.15 K. The reference table below shows the values immediately around 100 °C.
Why does temperature conversion add 32?
The two scales have different zero points and step sizes. Water freezes at 32 °F but 0 °C, so the formula rescales by 5/9 and shifts by the 32-degree offset.