Comparison of Temperature Scales

Below is a comparison of various temperature scales.  More information can be found at Wikipedia.

  Kelvin
K
Celsius
°C
Farenheit
°F
Rankine
°Ra (°R)
Delisle
°D ¹
Newton
°N ¹
Réaumur
°R (°Ré, °Re) ¹
Rømer
°Rø (°R) ¹
Absolute Zero 0 -273.15 -459.67 0 -509.725 -90.14 -218.52 -135.90
Water Freezes
(at Standard Pressure)
273.15 0 32 491.67 150 0 0 7.5
Average Human Body ² 310.0±0.7 36.8±0.7 98.2±1.3 557.9±1.3 94.8±1.1 12.1±0.2 29.4±0.6 26.8±0.4
Water Boils
(at Standard Pressure)
373.1339 99.9839 211.97102 671.64102 0 33 80 60
Titanium Melts 1941 1668 3034 3494 -2352 550 1334 883
Surface of the Sun 5800 5526 9980 10440 -8140 1823 4421 2909

¹ The temperature scale is in disuse, and of mere historical interest.

² Normal human body temperature is 36.8 ±0.7°C, or 98.2 ±1.3°F. The commonly given value 98.6°F is simply the exact conversion of the nineteenth-century German standard of 37°C. Since it does not list an acceptable range, it could therefore be said to have excess (invalid) precision.

Some numbers in this table have been rounded off.