Temperature Converter

Convert Temperature Units
Select units to see conversion formula
Common Values
Water freezes 0°C = 32°F
Water boils 100°C = 212°F
Room temp 20°C = 68°F
Body temp 37°C = 98.6°F
Absolute zero 0K = -273.15°C

Understanding Temperature Scales

Celsius (°C)

  • Most widely used scale
  • Based on water:
    • 0°C: Water freezing point
    • 100°C: Water boiling point
  • Used in:
    • Most countries worldwide
    • Scientific measurements
    • Weather reports

Fahrenheit (°F)

  • Common in US
  • Temperature range:
    • 32°F: Water freezing point
    • 212°F: Water boiling point
  • Used in:
    • United States
    • Some Caribbean nations
    • Older equipment

Kelvin (K)

  • SI unit of temperature
  • Absolute scale:
    • 0K: Absolute zero
    • No negative values
    • Same size degree as Celsius
  • Used in:
    • Scientific research
    • Thermodynamics
    • Space science