Kelvin to Celsius (K to °C) Converter
How to convert Kelvin To Celsius
°C = K - 273.15.
To convert kelvin to celsius, use the formula: °C = K - 273.15. Enter any value in the input field above and the result appears instantly. Click the ⇄ button to reverse the conversion direction.
All conversions use precise mathematical constants validated against international SI standards (NIST and ISO 80000), accurate to 8 significant figures.
Frequently Asked Questions
How many Celsiuss are in one Kelvin?
°C = K - 273.15. Formula: °C = K - 273.15. Absolute zero = 0 K = -273.15°C. Water freezes at 273.15 K = 0°C.
What is the formula to convert Kelvin to Celsius?
°C = K - 273.15. Multiply the Kelvin value by the conversion factor to get Celsius.
How do I convert Celsius To Kelvin?
Use the Celsius To Kelvin converter — formula: K = °C + 273.15. Click the ⇄ switch button above for the reverse conversion.
Is this Kelvin to Celsius converter free?
Yes — completely free, no registration required. Works instantly in your browser using precise mathematical constants validated against SI standards.