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Temperature Converter - Celsius, Fahrenheit, Kelvin

Convert temperatures between Celsius, Fahrenheit, and Kelvin. Instant conversion with precise calculations for all temperature scales.

Quick Reference

  • • Water freezes at: 0°C = 32°F = 273.15K
  • • Water boils at: 100°C = 212°F = 373.15K
  • • Absolute zero: -273.15°C = -459.67°F = 0K
  • • Room temperature: ~20°C = ~68°F = ~293K

How to Use Temperature Converter

  1. 1

    Enter a temperature value in any scale.

  2. 2

    Click convert from that scale.

  3. 3

    Instantly see conversions to all other scales.

  4. 4

    Copy the converted values.

Frequently Asked Questions

How do I convert Celsius to Fahrenheit?

Use the formula: F = (C × 9/5) + 32. Or simply enter your Celsius value and get instant results.

What is Kelvin used for?

Kelvin is the SI unit of temperature, primarily used in science and engineering, with 0 K being absolute zero.

What is the boiling point of water in each scale?

Water boils at 100 °C, 212 °F, and 373.15 K at standard atmospheric pressure.

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