Convert degrees Celsius to kelvins
Convert degrees Celsius (°C) to kelvins (K) with the formula K = °C + 273.15.
Celsius to Kelvin formula
K = °C + 273.15
Use the formula K = °C + 273.15.
Example: To convert 0 °C to kelvins: 0 + 273.15 = 273.15 K.
Quick answers
- What is 0 °C in kelvins?
- 0 °C = 273.15 K
- What is 20 °C in kelvins?
- 20 °C = 293.15 K
- What is 37 °C in kelvins?
- 37 °C = 310.15 K
- What is 100 °C in kelvins?
- 100 °C = 373.15 K
- What is 180 °C in kelvins?
- 180 °C = 453.15 K
Celsius to Kelvin conversion table
Kelvin to Celsius table| degrees Celsius (°C) | kelvins (K) |
|---|---|
| -40 °C | 233.15 K |
| -30 °C | 243.15 K |
| -20 °C | 253.15 K |
| -10 °C | 263.15 K |
| -5 °C | 268.15 K |
| 0 °C | 273.15 K |
| 5 °C | 278.15 K |
| 10 °C | 283.15 K |
| 15 °C | 288.15 K |
| 18 °C | 291.15 K |
| 20 °C | 293.15 K |
| 21 °C | 294.15 K |
| 22 °C | 295.15 K |
| 25 °C | 298.15 K |
| 30 °C | 303.15 K |
| 35 °C | 308.15 K |
| 36.6 °C | 309.75 K |
| 37 °C | 310.15 K |
| 38 °C | 311.15 K |
| 39 °C | 312.15 K |
| 40 °C | 313.15 K |
| 45 °C | 318.15 K |
| 50 °C | 323.15 K |
| 60 °C | 333.15 K |
| 70 °C | 343.15 K |
| 80 °C | 353.15 K |
| 90 °C | 363.15 K |
| 100 °C | 373.15 K |
| 150 °C | 423.15 K |
| 160 °C | 433.15 K |
| 180 °C | 453.15 K |
| 200 °C | 473.15 K |
| 220 °C | 493.15 K |
| 230 °C | 503.15 K |
| 250 °C | 523.15 K |
Frequently asked questions
How do I convert degrees Celsius to kelvins?
Use the formula K = °C + 273.15. To convert 0 °C to kelvins: 0 + 273.15 = 273.15 K.
Is the Celsius to Kelvin conversion exact?
Yes. The formula follows directly from how the temperature scales are defined, so it is exact; results are rounded for display.
Can a temperature in kelvin be negative?
No. The Kelvin scale starts at absolute zero, 0 K (−273.15 °C or −459.67 °F), the lowest possible temperature, so kelvin values are never negative.
What is 0 °C in kelvins?
0 °C = 273.15 K.
How do I convert kelvins back to degrees Celsius?
Use the formula °C = K − 273.15. The Kelvin to Celsius page has a converter and a full table.