Temperature Converter
Choose a conversion from 5 Temperature units.
Temperature measures the average kinetic energy of particles in a substance. Three major scales are used worldwide: Celsius (based on water's freezing and boiling points), Fahrenheit (common in the US), and Kelvin (the SI unit starting at absolute zero). The only temperature where Celsius and Fahrenheit are equal is -40 degrees.
Available Units
°C
Celsius
°F
Fahrenheit
K
Kelvin
°R
Rankine
°Ré
Réaumur
All Conversions
Celsius → Fahrenheit °C→°F Celsius → Kelvin °C→K Celsius → Rankine °C→°R Celsius → Réaumur °C→°Ré Fahrenheit → Celsius °F→°C Fahrenheit → Kelvin °F→K Fahrenheit → Rankine °F→°R Fahrenheit → Réaumur °F→°Ré Kelvin → Celsius K→°C Kelvin → Fahrenheit K→°F Kelvin → Rankine K→°R Kelvin → Réaumur K→°Ré Rankine → Celsius °R→°C Rankine → Fahrenheit °R→°F Rankine → Kelvin °R→K Rankine → Réaumur °R→°Ré Réaumur → Celsius °Ré→°C Réaumur → Fahrenheit °Ré→°F Réaumur → Kelvin °Ré→K Réaumur → Rankine °Ré→°R