Input interpretation
potassium | melting point
Result
63.38 °C (degrees Celsius)
Unit conversions
336.53 K (kelvins)
146.1 °F (degrees Fahrenheit)
605.8 °R (degrees Rankine)
50.7 °Ré (degrees Réaumur)
40.77 °Rø (degrees Rømer)
Comparisons as temperature
36.6 °C below water boiling point (at standard pressure) (99.9839 °C)
43 °C above conventional US room temperature (68 °F)
43.38 °C above temperature at STP (standard temperature and pressure), using the National Institute of Standards and Technology convention (20 °C)
Corresponding quantities
Thermodynamic energy E from E = kT: | 29 meV (millielectronvolts)
Blackbody energy flux Φ from Φ = σT^4: | 727 W/m^2 (watts per square meter)
Approximate luminous exitance from a planar blackbody radiator perpendicular to its surface: | 2.5×10^-18 lx (lux)
Thermodynamic properties
phase at STP | solid melting point | 63.38 °C (rank: 85th) boiling point | 759 °C (rank: 74th) critical temperature | 2223 K (rank: 3rd) critical pressure | 16 MPa (rank: 6th) molar heat of fusion | 2.33 kJ/mol (rank: 78th) molar heat of vaporization | 76.9 kJ/mol (rank: 70th) specific heat at STP | 757 J/(kg K) (rank: 15th) (properties at standard conditions)
Nearest corresponding gas marks
| temperature | usage thermostat 2 | 60 °C | France (actual measurements may vary)