Temperature Unit Converter
Convert between Celsius, Fahrenheit, Kelvin, Rankine, and Réaumur temperature scales
20.0°C
ColdModerateHot
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°F
Fahrenheit
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K
Kelvin
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°R
Rankine
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°Ré
Réaumur
Common Temperature References
Temperature Scale Information
Celsius (°C)
Water freezes at 0°C and boils at 100°C
Fahrenheit (°F)
Water freezes at 32°F and boils at 212°F
Kelvin (K)
Absolute temperature scale, 0K = absolute zero
Rankine (°R)
Absolute scale using Fahrenheit degrees
Réaumur (°Ré)
Water freezes at 0°Ré and boils at 80°Ré
Multiple Scales
Convert between 5 different temperature scales
Instant Results
Real-time conversion as you type
Reference Points
Quick access to common temperatures