Convert degrees Celsius to kelvin
Celsius (°C) to Kelvin (K). One Celsius equals 274.15 kelvin.
Formula
Celsius to Kelvin conversion table
| Degrees Celsius | Kelvin | Kelvin | Degrees Celsius |
|---|---|---|---|
| 1 °C | 274.15 K | 1 K | -272.15 °C |
| 2 °C | 275.15 K | 2 K | -271.15 °C |
| 3 °C | 276.15 K | 3 K | -270.15 °C |
| 5 °C | 278.15 K | 5 K | -268.15 °C |
| 10 °C | 283.15 K | 10 K | -263.15 °C |
| 20 °C | 293.15 K | 20 K | -253.15 °C |
| 50 °C | 323.15 K | 50 K | -223.15 °C |
| 100 °C | 373.15 K | 100 K | -173.15 °C |
| 500 °C | 773.15 K | 500 K | 226.85 °C |
| 1000 °C | 1273.15 K | 1000 K | 726.85 °C |
Converting degrees Celsius to kelvin means moving between two temperature scales that start at different points, so UnitGlide uses the exact Celsius-to-Kelvin formula instead of a simple multiplier. Enter any Celsius reading above and the matching Kelvin value appears instantly. For example, 20 °C equals 293.15 K. Because each scale has its own zero and step size, small input changes can shift the result in ways a plain ratio would get wrong, which is why the formula matters. This temperature converter runs entirely in your browser, so you can check readings for cooking, weather, science or travel without sending anything to a server. The two-way table below lists common Celsius values already converted to kelvin, and back again, so you can scan for the number you need at a glance.
Frequently asked questions
How many kelvin are in a Celsius?
One Celsius equals 274.15 kelvin. Temperature scales convert by formula rather than a fixed ratio, so this holds at that specific reading.
What is the formula to convert degrees Celsius to kelvin?
Use K = °C + 273.15. UnitGlide applies this exact formula for every value, so results stay accurate across the whole range.
How do I convert kelvin back to degrees Celsius?
Reverse the scale using the Kelvin-to-Celsius formula, or just press the swap button in the converter above to flip the direction instantly. One Kelvin corresponds to -272.15 degrees Celsius at that point.
Is this Celsius to Kelvin converter accurate?
Yes. It uses the standard SI temperature scale formulas, and all math runs in your browser so nothing is rounded away on a server. For everyday use the displayed precision is more than enough.