Absolute zero is 0 K, −273.15 °C or -459.67 °F. Water boils at 373.15 K and a 20 °C room is 293.15 K.
| Kelvin (K) | Celsius (°C) | Fahrenheit (°F) |
|---|---|---|
| 0.00 | -273.15 | -459.67 |
| 73.15 | -200.00 | -328.00 |
| 123.15 | -150.00 | -238.00 |
| 173.15 | -100.00 | -148.00 |
| 193.15 | -80.00 | -112.00 |
| 213.15 | -60.00 | -76.00 |
| 233.15 | -40.00 | -40.00 |
| 243.15 | -30.00 | -22.00 |
| 253.15 | -20.00 | -4.00 |
| 263.15 | -10.00 | 14.00 |
| 273.15 | 0.00 | 32.00 |
| 283.15 | 10.00 | 50.00 |
| 293.15 | 20.00 | 68.00 |
| 298.15 | 25.00 | 77.00 |
| 303.15 | 30.00 | 86.00 |
| 310.15 | 37.00 | 98.60 |
| 313.15 | 40.00 | 104.00 |
| 323.15 | 50.00 | 122.00 |
| 333.15 | 60.00 | 140.00 |
| 343.15 | 70.00 | 158.00 |
| 353.15 | 80.00 | 176.00 |
| 363.15 | 90.00 | 194.00 |
| 373.15 | 100.00 | 212.00 |
| 423.15 | 150.00 | 302.00 |
| 473.15 | 200.00 | 392.00 |
| 523.15 | 250.00 | 482.00 |
| 573.15 | 300.00 | 572.00 |
How it is computed
K = °C + 273.15 and °F = °C × 9/5 + 32. A kelvin is the same size as a Celsius degree; only the zero point moves to absolute zero.
FAQ
Why is there no degree sign on kelvin?+
The kelvin is an absolute SI unit, so it is written 300 K, not 300 °K.
Can a temperature in kelvin be negative?+
No. 0 K is absolute zero, the lowest possible temperature.