Celsius to Kelvin
K = C + 273.15
Converter Calculator
1 Celsius (°C) = 274.15 Kelvin (K)
Explanation
Use the exact affine transform: add 273.15 to Celsius.
Common Conversion Values
| Celsius (°C) | Kelvin (K) |
|---|---|
| -40 | 233.15 |
| -20 | 253.15 |
| 0 | 273.15 |
| 20 | 293.15 |
| 32 | 305.15 |
| 37 | 310.15 |
| 50 | 323.15 |
| 100 | 373.15 |
| 212 | 485.15 |
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: K = C + 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.