Convert kelvin to degrees Celsius

Kelvin (K) to Celsius (°C). One Kelvin equals -272.15 degrees Celsius.

1 K =-272.15°C (degrees Celsius)

Formula

°C = K − 273.15

Kelvin to Celsius conversion table

KelvinDegrees CelsiusDegrees CelsiusKelvin
1 K-272.15 °C1 °C274.15 K
2 K-271.15 °C2 °C275.15 K
3 K-270.15 °C3 °C276.15 K
5 K-268.15 °C5 °C278.15 K
10 K-263.15 °C10 °C283.15 K
20 K-253.15 °C20 °C293.15 K
50 K-223.15 °C50 °C323.15 K
100 K-173.15 °C100 °C373.15 K
500 K226.85 °C500 °C773.15 K
1000 K726.85 °C1000 °C1273.15 K

Converting kelvin to degrees Celsius means moving between two temperature scales that start at different points, so UnitGlide uses the exact Kelvin-to-Celsius formula instead of a simple multiplier. Enter any Kelvin reading above and the matching Celsius value appears instantly. For example, 300 K equals 26.85 °C. 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 Kelvin values already converted to degrees Celsius, and back again, so you can scan for the number you need at a glance.

Frequently asked questions

How many degrees Celsius are in a Kelvin?

One Kelvin equals -272.15 degrees Celsius. Temperature scales convert by formula rather than a fixed ratio, so this holds at that specific reading.

What is the formula to convert kelvin to degrees Celsius?

Use °C = K − 273.15. UnitGlide applies this exact formula for every value, so results stay accurate across the whole range.

How do I convert degrees Celsius back to kelvin?

Reverse the scale using the Celsius-to-Kelvin formula, or just press the swap button in the converter above to flip the direction instantly. One Celsius corresponds to 274.15 kelvin at that point.

Is this Kelvin to Celsius 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.

Related conversions

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Embed (iframe)

<iframe src="https://unitglide.net/embed/k-to-c" width="360" height="200"
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<p><a href="https://unitglide.net/convert/k-to-c">Kelvin to Celsius Converter</a> by UnitGlide</p>

API

https://unitglide.net/api/convert?from=k&to=c&value=1