Kelvin to Celsius
C = K - 273.15
Converter Calculator
1 Kelvin (K) = -272.15 Celsius (°C)
Explanation
Use the exact affine transform: subtract 273.15 from Kelvin.
Common Conversion Values
| Kelvin (K) | Celsius (°C) |
|---|---|
| -40 | -313.15 |
| -20 | -293.15 |
| 0 | -273.15 |
| 20 | -253.15 |
| 32 | -241.15 |
| 37 | -236.15 |
| 50 | -223.15 |
| 100 | -173.15 |
| 212 | -61.15 |
How to use this hub
- Choose a converter family.
- If converting to/from grams from a volume unit, select an ingredient.
- For pure unit changes (volume↔volume or weight↔weight), use universal conversions.
If your conversion includes grams, you’ll choose an ingredient; otherwise you won’t.
Frequently Asked Questions
What formula does this page use?
This page uses the exact formula: C = K - 273.15.
How do I switch to the reverse conversion?
Use Switch Units to open the mirror page. The current input value is carried into that page.
Can I enter negative values?
Yes. Negative inputs are supported for Celsius and Fahrenheit scenarios and to inspect the formula output directly.