Celsius to Kelvin
K = °C + 273.15
Convert Celsius (°C) to Kelvin (K) with engineering-grade precision. Instant results, formula, and reference table below.
1 Celsius ≈274.15 Kelvin
How to convert Celsius to Kelvin (°C to K)
Converting Celsiuss to Kelvins 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
°C + 273.15 = K
Calculation Example
Let's say you want to convert 5 °C to K:
- Input: 5 °C
- Calculation: 5 × 1.00000
- Result: 5.0000 K
About the Celsius to Kelvin conversion
The Celsius (°C) and Kelvin (K) scales measure temperature from different reference points, so the conversion is not a simple multiplication — use the formula K = °C + 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 Kelvin to Celsius converter.
Frequently Asked Questions
How do I convert Celsius to Kelvin?
To convert Celsius to Kelvin, you need to multiply the °C value by 1.00000.
What is the formula for °C to K?
The simple formula is: K = °C × 1.00000.
Which is bigger: Celsius or Kelvin?
A Kelvin is bigger. One Kelvin is equal to approx 1.0000 Celsiuss.
How many Celsiuss are in one Kelvin?
There are approximately 1.00000 Celsiuss in one Kelvin.
Quick Conversion Table
| °C | K |
|---|---|
| 1 | 1.0000 |
| 5 | 5.0000 |
| 10 | 10.0000 |
| 20 | 20.0000 |
| 50 | 50.0000 |
| 100 | 100.0000 |