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Celsius to Kelvin
Convert celsius (°C) to kelvin (K) — with the exact factor, a quick-reference table and a free converter that works offline.
K = °C + 273.15
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Conversion table
| Celsius (°C) | Kelvin (K) |
|---|---|
| -40 °C | 233.15 K |
| 0 °C | 273.15 K |
| 10 °C | 283.15 K |
| 20 °C | 293.15 K |
| 25 °C | 298.15 K |
| 37 °C | 310.15 K |
| 100 °C | 373.15 K |
| 200 °C | 473.15 K |
How the conversion works
Celsius and Kelvin are temperature scales related by an exact formula: K = °C + 273.15. SI base unit of temperature.
FAQ
What is 20 °C in Kelvin?
20 °C equals 293.15 K.
How do I convert Celsius to Kelvin?
K = °C + 273.15.
Is the conversion exact?
Yes — the relationship between Celsius and Kelvin is an exact defined formula (BIPM SI Brochure).
Related conversions
Conversion factors: BIPM SI Brochure. Computed by the same engine that powers the app.
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