| Description | Kelvin | Celsius degrees | Fahrenheit degrees | Rankine degrees |
| Absolute zero | 0 | -273.15 | -459.67 | 0 |
| Melting water temperature | 273.15 | 0 | +32 | 491.67 |
| Boiling water temperature | 373.15 | 100 | +212 | 671.67 |
| Human body temperature | 310.15 | 37 | +98.6 | 558.27 |
Ambient temperature is the temperature of the outside air. The maximum recorded has been 56.7 degrees Celsius. Registered at Furnace Creek Station, located in the well-known “Death Valley” of the USA. The minimum recorded is -93 degrees Celsius recorded in Antarctica.