---
title: "Celsius to Kelvin Converter | Numequo"
description: "Convert celsius to kelvin. Kelvin is common in scientific work, while Celsius is easier to read in everyday conditions. Free, fast and easy to use."
canonical: "https://www.numequo.com/conversion/temperature/celsius-to-kelvin-converter/"
locale: "en"
---
[Numequo](https://www.numequo.com/) › [Conversion](https://www.numequo.com/conversion/) › [Temperature](https://www.numequo.com/conversion/temperature/)

# Celsius to Kelvin Converter

Enter a value in celsius to get its equivalent in kelvin. Use the inverse button to switch conversion direction.

## Input data

- **Celsius** - type: number; default: 0; step: 0.01

## How it works

K = °C × 1 + 273.15.

## Quick examples

- **0 °C → 273.15 K** - Celsius: 0
- **20 °C → 293.15 K** - Celsius: 20
- **300 °C → 573.15 K** - Celsius: 300

## Understanding your result

The result expresses the value entered in celsius as kelvin. A difference of one kelvin equals a difference of one degree Celsius, but their zero points are 273.15 apart.

Last verified: 29 September 2026 (2026-09-29)

## Frequently asked questions

### How do I convert celsius to kelvin?

K = °C × 1 + 273.15.

### What does 1 °C equal in kelvin?

1 °C equals 274.15 K.

### When is a celsius to kelvin conversion useful?

Kelvin is common in scientific work, while Celsius is easier to read in everyday conditions.

## Related calculators

- [Kelvin to Celsius Converter](https://www.numequo.com/conversion/temperature/kelvin-to-celsius-converter/) - Convert kelvin to celsius. Kelvin is common in scientific work, while Celsius is easier to read in everyday conditions.
- [Celsius to Fahrenheit Converter](https://www.numequo.com/conversion/temperature/celsius-to-fahrenheit-converter/) - Convert celsius to fahrenheit. Use this conversion to read weather forecasts, body temperatures and appliance settings across countries.
- [Fahrenheit to Celsius Converter](https://www.numequo.com/conversion/temperature/fahrenheit-to-celsius-converter/) - Convert fahrenheit to celsius. Use this conversion to read weather forecasts, body temperatures and appliance settings across countries.
- [Fahrenheit to Kelvin Converter](https://www.numequo.com/conversion/temperature/fahrenheit-to-kelvin-converter/) - Convert fahrenheit to kelvin. Useful when a temperature given in Fahrenheit must be compared with a scientific value in kelvin.
- [Kelvin to Fahrenheit Converter](https://www.numequo.com/conversion/temperature/kelvin-to-fahrenheit-converter/) - Convert kelvin to fahrenheit. Useful when a temperature given in Fahrenheit must be compared with a scientific value in kelvin.

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