Temperature Converter

Convert between Celsius, Fahrenheit, and Kelvin instantly - Free temperature converter

Common Temperatures

Conversion Formulas

Celsius to Fahrenheit

°F = (°C × 9/5) + 32

Fahrenheit to Celsius

°C = (°F - 32) × 5/9

Celsius to Kelvin

K = °C + 273.15

Kelvin to Celsius

°C = K - 273.15

About Temperature Scales

  • Celsius: Used worldwide, based on water's freezing (0°) and boiling (100°) points
  • Fahrenheit: Commonly used in the United States
  • Kelvin: Scientific scale starting at absolute zero

Quick Reference

  • • 0°C = 32°F = 273.15K
  • • 100°C = 212°F = 373.15K
  • • -40°C = -40°F = 233.15K
  • • Room temp: ~20°C = 68°F
  • • Body temp: 37°C = 98.6°F