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Kelvin to Celsius

Convert K to °C — free online temperature converter

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°C = K - 273.15

Kelvin to Celsius Quick Reference

K°C

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How to Convert Kelvin to Celsius

This free online converter lets you instantly convert Kelvin (K) to Celsius (°C). Simply enter a value and the result updates automatically. Use the swap button to reverse the conversion.

The quick reference table below shows common Kelvin values and their Celsius equivalents. All calculations are performed locally in your browser — fast, private, and accurate.

FAQ
How do I convert Kelvin to Celsius?
Use the formula: °C = K - 273.15. Enter the Kelvin value and the converter calculates the Celsius result instantly.
Is the conversion accurate?
Yes. Temperature conversions use exact mathematical formulas, so results are precise to multiple decimal places.
Can I convert in reverse?
Yes. Use the swap button to switch between Kelvin and Celsius, or visit the Celsius to Kelvin converter.
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