Celsius to Kelvin (°C → K)
Convert celsius to kelvin instantly. The conversion factor below is exact by international definition.
Realtime·temperature·metric
Exact
°C
f(x)
K
274.15
Precision [auto]
6
📐°C to K formulaExact
K = °C + 273.15
Inverse: °C = K − 273.15
Worked example: 0 °C = 273.15 K.
ℹ️About these units
Celsius (°C)
Used worldwide for weather and everyday temperature.
Kelvin (K)
SI base unit of thermodynamic temperature.
📊Reference table: °C → K
| Celsius (°C) | Kelvin (K) |
|---|---|
| -40 | 233.15 |
| -30 | 243.15 |
| -20 | 253.15 |
| -10 | 263.15 |
| 0 | 273.15 |
| 5 | 278.15 |
| 10 | 283.15 |
| 15 | 288.15 |
| 20 | 293.15 |
| 25 | 298.15 |
| 30 | 303.15 |
| 35 | 308.15 |
| 40 | 313.15 |
| 50 | 323.15 |
| 60 | 333.15 |
| 70 | 343.15 |
| 80 | 353.15 |
| 90 | 363.15 |
| 100 | 373.15 |
Want a downloadable CSV? Append ?format=csv to the API /api/v1/table endpoint.
🔁Reverse & related
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