Celsius to Kelvin converter

°C to K — °F = °C × 9/5 + 32

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Convert Celsius to all units

°F Fahrenheit—
K Kelvin—
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Conversion Formula

Celsius to Kelvin: °F = °C × 9/5 + 32

Example: To convert 100°C to °F: 100 × 9/5 + 32 = 212°F

Quick Reference: Celsius to Kelvin

CelsiusKelvin
1 °C274.15 K
5 °C278.15 K
10 °C283.15 K
25 °C298.15 K
50 °C323.15 K
100 °C373.15 K
500 °C773.15 K
1,000 °C1,273.15 K

Frequently Asked Questions

How do I convert Celsius to Kelvin?

Multiply your celsius value by the conversion factor. To convert 100°C to °F: 100 × 9/5 + 32 = 212°F. You can also use the converter above for instant results.

What is °C in K?

1 °C equals 274.15 K. This is based on the standard conversion factor: °F = °C × 9/5 + 32.

Is this converter accurate?

Yes. ConvertFast uses precise conversion factors computed client-side in your browser. Results are accurate to 6 significant digits, which covers all practical use cases.