Formula.kelvin = celsius + 273.15.
Relationship.K = °C + 273.15.
Worked example. 20 °C = 293.15 K.
Celsius to Kelvin Converter.
K = °C + 273.15, so 20 °C = 293.15 K. Type any value below to convert Celsius to Kelvin instantly.
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°C
Copied ✓ K
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| °C | °F | K | °R |
|---|---|---|---|
| 0.02 | 32.036 | 273.17 | 491.706 |
| 0.2 | 32.36 | 273.35 | 492.03 |
| 2 | 35.6 | 275.15 | 495.27 |
| 20 | 68 | 293.15 | 527.67 |
| 200 | 392 | 473.15 | 851.67 |
| 2000 | 3632 | 2273.15 | 4091.67 |
| 20000 | 36032 | 20273.15 | 36491.67 |
How to convert Celsius to Kelvin
Celsius to Kelvin conversion table
| °C | K |
|---|---|
| -273.15 | 0 |
| -200 | 73.15 |
| -100 | 173.15 |
| -50 | 223.15 |
| -40 | 233.15 |
| -20 | 253.15 |
| -10 | 263.15 |
| 0 | 273.15 |
| 10 | 283.15 |
| 20 | 293.15 |
| 25 | 298.15 |
| 30 | 303.15 |
| 37 | 310.15 |
| 40 | 313.15 |
| 50 | 323.15 |
| 60 | 333.15 |
| 75 | 348.15 |
| 100 | 373.15 |
| 150 | 423.15 |
| 200 | 473.15 |
| 300 | 573.15 |
| 500 | 773.15 |
| 1000 | 1273.15 |
| 2000 | 2273.15 |
| 5000 | 5273.15 |
Frequently Asked Questions
How do I convert Celsius to Kelvin?
Add 273.15: K = °C + 273.15. For example, 20 °C + 273.15 = 293.15 K.
What is 0 °C in Kelvin?
0 °C equals 273.15 K, the freezing point of water.
What is absolute zero in Celsius?
Absolute zero is 0 K, which is −273.15 °C — the coldest possible temperature, where molecular motion stops.
Why is there no degree symbol on Kelvin?
Kelvin is an absolute scale measured from absolute zero, so values are written "293.15 K", not "degrees Kelvin"; only Celsius and Fahrenheit use the degree symbol.