Kelvin to Celsius
°C = K − 273.15
Convert Kelvin (K) to Celsius (°C) with engineering-grade precision. Instant results, formula, and reference table below.
1 Kelvin ≈-272.15 Celsius
How to convert Kelvin to Celsius (K to °C)
Converting Kelvins to Celsiuss is critical for developers working with international data standards or scientific applications. This tool performs the calculation entirely on your client (browser) using JavaScript/WASM, ensuring zero latency and maximum privacy.
The Formula
K - 273.15 = °C
Calculation Example
Let's say you want to convert 5 K to °C:
- Input: 5 K
- Calculation: 5 × 1.00000
- Result: 5.0000 °C
About the Kelvin to Celsius conversion
The Kelvin (K) and Celsius (°C) scales measure temperature from different reference points, so the conversion is not a simple multiplication — use the formula °C = K − 273.15. This tool evaluates the formula locally with 20-digit decimal precision, which matters for scientific work where rounding at room temperature can accumulate across long data series.
Need the reverse? Use the Celsius to Kelvin converter.
Frequently Asked Questions
How do I convert Kelvin to Celsius?
To convert Kelvin to Celsius, you need to multiply the K value by 1.00000.
What is the formula for K to °C?
The simple formula is: °C = K × 1.00000.
Which is bigger: Kelvin or Celsius?
A Celsius is bigger. One Celsius is equal to approx 1.0000 Kelvins.
How many Kelvins are in one Celsius?
There are approximately 1.00000 Kelvins in one Celsius.
Quick Conversion Table
| K | °C |
|---|---|
| 1 | 1.0000 |
| 5 | 5.0000 |
| 10 | 10.0000 |
| 20 | 20.0000 |
| 50 | 50.0000 |
| 100 | 100.0000 |