Substance CelsiusFahrenheit Kelvin Note
Absolute zero -273.1°C-460°F 0°K (coldest possible temperature)
Deep space -270.5°C -455°F 2.7°K
Dark side of moon -153°C -243°F 120°K
Mars surface average -55° C -67° F 218°K
Water melts 0°C 32°F
Earth surface average 16°C 61°F 289°K
Human body temperature 37°C 98.6°F
Water boils 100°C 212°F
Cotton auto-ignition 120°C 250°F
Paper auto-ignition 249°C 480°F (not really 451°F, sorry Ray)
Solder melts 250°C 481°F
Soldering iron temperature 427°C 800°F
Hot side of Mercury 427°C 800°F
Aluminum melts 660°C 1,221°F
Steel melts 1,370°C 2,500°F
Candle flame 1,400°C 2,600°F
Iron melts 1,510°C 2,750°F
Stainless steel melts 1,535°C 2,795°F
Blowtorch 1,600°C 2,900°F
Propane torch 1,995°C 3,620°F
Oxyacetylene torch 3,000°C 5,400°F
Tungsten melts 3422 °C 6,192°F (hottest metal melting point)
Sun (photosphere) 5,505°C 9,941°F 5778°K
Sun (core) 15 million°C 27 million°F 15 million°K
Supernova core 100 billion°K (after collapse)

We would like to thank our sponsors:

Funding from the Mathworks made this lab possible!
Special thanks to Professor Rick Levine and Professor Lynne Oland for the loan of equipment that made this lab complete.

Lab Location

The Lab is located in the Gould Simpson building, Room 404, on the University of Arizona campus.

To contact us, please email: