Kelvin to Celsius (K → °C)
Convert kelvin to celsius instantly. The conversion factor below is exact by international definition.
Realtime·temperature·SI
Exact
K
f(x)
°C
-272.15
Precision [auto]
6
📐K to °C formulaExact
°C = K − 273.15
Inverse: K = °C + 273.15
Worked example: 300 K = 26.85 °C.
ℹ️About these units
Kelvin (K)
SI base unit of thermodynamic temperature.
Celsius (°C)
Used worldwide for weather and everyday temperature.
📊Reference table: K → °C
| Kelvin (K) | Celsius (°C) |
|---|---|
| -40 | -313.15 |
| -30 | -303.15 |
| -20 | -293.15 |
| -10 | -283.15 |
| 0 | -273.15 |
| 5 | -268.15 |
| 10 | -263.15 |
| 15 | -258.15 |
| 20 | -253.15 |
| 25 | -248.15 |
| 30 | -243.15 |
| 35 | -238.15 |
| 40 | -233.15 |
| 50 | -223.15 |
| 60 | -213.15 |
| 70 | -203.15 |
| 80 | -193.15 |
| 90 | -183.15 |
| 100 | -173.15 |
Want a downloadable CSV? Append ?format=csv to the API /api/v1/table endpoint.
🔁Reverse & related
🔌API & widget
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