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v0.31:Temperature
For temperature as it relates to choosing an embarkation site, see Climate.
Temperature scale
Dwarf Fortress uses its own temperature scale in most cases, often called "Degrees Urist" on this wiki. So if you see something like [HOMEOTHERM:10067], don't be amazed.
Magma's temperature is 12,000° Urist.
Conversion
[DF scale] = [FAHRENHEIT] + 9968
[DF scale] = [CELSIUS] * 9/5 + 10000
[DF scale] = [KELVIN] * 9/5 + 9508.33
[DF scale] = [RANKINE] + 9508.33
Reference Chart
| Significance | DF Scale | Fahrenheit | Celsius | Kelvin | Rankine |
|---|---|---|---|---|---|
| Human Body Temperature | 10066.62 | 98.6 | 37.0 | 310.15 | 558.27 |
| Freezing Point of Water | 10000 | 32 | 0 | 273.15 | 491.67 |
| Boiling Point of Water | 10180 | 212 | 100 | 373.15 | 671.67 |
| Absolute Zero | 9508.332 | -459.67 | −273.15 | 0 | 0 |
| DF Scale's Zero1 | 0 | -9968 | -5555.555... | -5282.40555... | -9508.33 |
1 - Yes, temperatures in Dwarf Fortress can go far, far below absolute zero, which is physically impossible. Considering Dwarf Fortress also allows Template:L, it's best not to ask questions. 2 - Technically, fractional temperatures are not possible in Dwarf Fortress, as they are stored as unsigned 16-bit integers.
Melting point
This is the temperature at which an object will melt. Any material with a melting point over 12,000°U is Template:L.
Boiling point
This is the temperature at which an object will evaporate.
Ignition point
This is the temperature at which an object will catch fire.
Specific heat
This determines how long it takes an object to heat up or cool down. An object with high specific heat will change temperature more slowly.