Temperature Converter
Convert temperatures between different scales including Celsius, Fahrenheit, Kelvin, and historical scales.
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About Temperature Scales
- Celsius (°C) – Used worldwide for everyday temperatures. Water freezes at 0°C and boils at 100°C.
- Fahrenheit (°F) – Common in the United States. Water freezes at 32°F and boils at 212°F.
- Kelvin (K) – The SI unit for temperature, used in science. 0K is absolute zero.
- Rankine (°R) – An absolute scale using Fahrenheit-sized degrees.
- Réaumur (°Ré) – A historical scale where water freezes at 0° and boils at 80°.
- Rømer (°Rø) – An early scale by Ole Rømer. Water freezes at 7.5° and boils at 60°.
- Newton (°N) – Devised by Isaac Newton. Water freezes at 0° and boils at 33°.
- Delisle (°De) – Created in 1732, this scale runs backwards: water boils at 0° and freezes at 150°.