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Celsius to Kelvin

Quickly convert celsius to kelvin with the exact formula and a ready-made reference table below.

Result

Quick Reference: Celsius to Kelvin

CelsiusKelvin

How to Convert Celsius to Kelvin

To convert celsius to kelvin, use the formula below, or simply enter a value in the calculator above for an instant result. This conversion is commonly used for scientific and laboratory measurements, especially when working between measurement systems used in physics and chemistry, which use Kelvin.

Example Calculation

Common conversions: 0 °C = 273.15 K, 20 °C = 293.15 K, 37 °C = 310.15 K, 100 °C = 373.15 K, -40 °C = 233.15 K.

Formula / Calculation Method

°C + 273.15 = K

How to Use This Tool

  1. Enter a value in celsius in the calculator above.
  2. Confirm the "From" unit is set to Celsius and "To" is set to Kelvin.
  3. Read the converted result instantly, or check the reference table for common values.
  4. Use the swap button to convert in the opposite direction.

Common Use Cases

Converting scientific and laboratory measurements
Working with measurements from physics and chemistry, which use Kelvin
Double-checking manual unit conversions
Quick reference while shopping, cooking or traveling

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Frequently Asked Questions

What is the formula to convert celsius to kelvin?

°C + 273.15 = K. You can also just enter a value into the calculator above for an instant, precise result.

Is this celsius to kelvin conversion exact?

Yes — the calculator uses precise standard conversion factors and full floating-point precision, only rounding the final number for display.