Temperature Converter

Convert temperatures between Celsius, Fahrenheit, and Kelvin

Celsius (°C)
Water freezes at 0°C
Water boils at 100°C
Fahrenheit (°F)
Water freezes at 32°F
Water boils at 212°F
Kelvin (K)
Absolute zero at 0K
Water freezes at 273.15K
Quick Conversions:
Temperature Scale Comparison
Description Celsius (°C) Fahrenheit (°F) Kelvin (K)
Absolute Zero -273.15 -459.67 0
Water Freezes 0 32 273.15
Room Temperature 25 77 298.15
Human Body 37 98.6 310.15
Water Boils 100 212 373.15
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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
Temperature Facts
  • Absolute zero is the coldest possible temperature
  • The sun's core is about 15 million °C
  • Kelvin scale starts at absolute zero
  • Most countries use Celsius scale