Temperature Converter

Online temperature conversion tool supporting Kelvin, Celsius, Fahrenheit, Rankine, Delisle, Newton, Réaumur and Rømer scales

All Conversion Results

Kelvin (K)
Celsius (°C)
Fahrenheit (°F)
Rankine (°R)
Delisle (°De)
Newton (°N)
Réaumur (°Ré)
Rømer (°Rø)

Common Temperature References

Water Boiling Point (1 atm) 100°C
Water Freezing Point (1 atm) 0°C
Room Temperature (Standard) 20°C
Normal Human Body Temperature 37°C
Absolute Zero -273.15°C

Reference Temperatures

Scientific References

Absolute Zero
-273.15°C
Triple Point of Water
0.01°C
Water Boiling Point (1 atm)
100.00°C

Industrial References

Steel Melting Point
1,510.00°C
Aluminum Melting Point
660.00°C

Medical References

Normal Human Body Temperature
37.00°C
Fever Temperature
38.00°C
Hypothermia Temperature
35.00°C

Weather Records

Earth's Highest Recorded Temperature Death Valley (USA)
56.70°C
Earth's Lowest Recorded Temperature Vostok Station (Antarctica)
-89.20°C
Room Temperature (Standard)
20.00°C

Temperature Scale Information

Kelvin (K)

SI unit of temperature measurement

Used In: International

Established: 1848

Created By: William Thomson, 1st Baron Kelvin

Celsius (°C)

Most widely used temperature scale

Used In: International

Established: 1742

Created By: Anders Celsius

Fahrenheit (°F)

Temperature scale used in the US and a few other countries

Used In: United States & Dependencies

Established: 1724

Created By: Daniel Gabriel Fahrenheit

Rankine (°R)

Absolute temperature scale used in engineering

Used In: Engineering (US)

Established: 1859

Created By: William John Macquorn Rankine

Delisle (°De)

Temperature scale used in 18th century Russia

Used In: Historical (Russia)

Established: 1732

Created By: Joseph-Nicolas Delisle

Newton (°N)

One of the earliest temperature scales

Used In: Historical

Established: 1701

Created By: Isaac Newton

Réaumur (°Ré)

Widely used in 18th-19th century Europe

Used In: Historical (France)

Established: 1730

Created By: René Antoine Ferchault de Réaumur

Rømer (°Rø)

Scale used in the first modern thermometer

Used In: Historical (Denmark)

Established: 1701

Created By: Ole Christensen Rømer