Input interpretation
![helium | boiling point](../image_source/397c0c17eefadbccc28f453da2d3aada.png)
helium | boiling point
Result
![-268.93 °C (degrees Celsius)](../image_source/d4c71c4d283314f1741d35cec7ce4891.png)
-268.93 °C (degrees Celsius)
Unit conversions
![4.22 K (kelvins)](../image_source/084127ff43dbd9514e4685c7855ce74a.png)
4.22 K (kelvins)
![-452.07 °F (degrees Fahrenheit)](../image_source/51714f2179b3e4ea31ce1b840e1eb9b6.png)
-452.07 °F (degrees Fahrenheit)
![7.6 °R (degrees Rankine)](../image_source/a1c40655e1be8ee9cec2cc6720287735.png)
7.6 °R (degrees Rankine)
![-215.14 °Ré (degrees Réaumur)](../image_source/6d9ae6e83e8476c47d554473ee10e60a.png)
-215.14 °Ré (degrees Réaumur)
![-133.69 °Rø (degrees Rømer)](../image_source/6910d57a2ee97195b5dc1844e414e939.png)
-133.69 °Rø (degrees Rømer)
Comparisons as temperature
![0.97 °C below critical point of helium (5.19 K)](../image_source/6e7b4447bee4a4bcf979448056270902.png)
0.97 °C below critical point of helium (5.19 K)
![2.05 °C above (lower) lambda point of overbound superfluid helium (at 0.0497 atmospheres) (2.172 K)](../image_source/a64592956d488499fb18ba6ec6488703.png)
2.05 °C above (lower) lambda point of overbound superfluid helium (at 0.0497 atmospheres) (2.172 K)
![2.46 °C above (upper) lambda point of overbound superfluid helium (at 29.8 atmospheres) (1.76 K)](../image_source/b941316f040325d2d19111393b511a07.png)
2.46 °C above (upper) lambda point of overbound superfluid helium (at 29.8 atmospheres) (1.76 K)
Corresponding quantities
![Thermodynamic energy E from E = kT: | 0.36 meV (millielectronvolts)](../image_source/b6d6b307f07dc67a5b1c653b8582b8dc.png)
Thermodynamic energy E from E = kT: | 0.36 meV (millielectronvolts)
![Blackbody energy flux Φ from Φ = σT^4: | 1.8×10^-5 W/m^2 (watts per square meter)](../image_source/3e1ae4e592da4271e731d88b095be0ac.png)
Blackbody energy flux Φ from Φ = σT^4: | 1.8×10^-5 W/m^2 (watts per square meter)