Convert celsiuss to kelvins
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Show this value in all 8 temperature units
- Kelvins K 274.15
- Celsiuss °C 1
- Fahrenheits °F 33.8
- Rankines °R 493.47
- Réaumurs °Ré 0.8
- Delisles °De 148.5
- Newton scales °N 0.33
- Rømers °Rø 8.025
Every row is Celsius (°C) converted through the kelvin, in exact rational arithmetic.
How to convert celsiuss to kelvins
The two scales have different zero points, so you cannot just multiply — you shift the zero as well. Enter a value above and the exact arithmetic is done for you.
The exact factor is 274.15 — as a fraction, 5483/20.
Kelvin: The SI base unit. Absolute zero is 0 K; there are no negative kelvins.
Celsius to Kelvin conversion table
| Celsiuss (°C) | Kelvins (K) |
|---|---|
| -40 °C | 233.15 |
| -20 °C | 253.15 |
| -10 °C | 263.15 |
| 0 °C | 273.15 |
| 10 °C | 283.15 |
| 20 °C | 293.15 |
| 25 °C | 298.15 |
| 30 °C | 303.15 |
| 37 °C | 310.15 |
| 50 °C | 323.15 |
| 100 °C | 373.15 |
| 200 °C | 473.15 |
Kelvin to Celsius conversion table
| Kelvins (K) | Celsiuss (°C) |
|---|---|
| 0 K | -273.15 |
| 10 K | -263.15 |
| 20 K | -253.15 |
| 25 K | -248.15 |
| 30 K | -243.15 |
| 37 K | -236.15 |
| 50 K | -223.15 |
| 100 K | -173.15 |
| 200 K | -73.15 |
Frequently asked
How many kelvins are in a celsius?
One celsius equals 274.15 kelvins (°C → K). That figure is exact, not rounded.
How do you convert celsiuss to kelvins?
The two scales have different zero points, so you cannot just multiply — you shift the zero as well. Enter a value above and the exact arithmetic is done for you.
What is 1 K in celsiuss?
One kelvin is -272.15 celsiuss.
What is 10 °C in K?
10 °C = 283.15 K.
What exactly is a kelvin?
The SI base unit. Absolute zero is 0 K; there are no negative kelvins.