Input interpretation
gray selenium | melting point
Result
217 °C (degrees Celsius)
Unit conversions
490.2 K (kelvins)
422.6 °F (degrees Fahrenheit)
882.3 °R (degrees Rankine)
173.6 °Ré (degrees Réaumur)
121.4 °Rø (degrees Rømer)
Comparisons as temperature
15.78 °C below autoignition temperature of book paper in Ray Bradbury's famous novel (451 °F)
(1 to 29) °C below autoignition temperature of paper (218 to 246 °C)
90 °C above hottest temperature of a Concorde nose tip (127 °C)
Corresponding quantities
Thermodynamic energy E from E = kT: | 42 meV (millielectronvolts)
Blackbody energy flux Φ from Φ = σT^4: | 3273 W/m^2 (watts per square meter)
Approximate luminous exitance from a planar blackbody radiator perpendicular to its surface: | 6.1×10^-10 lx (lux)
Nearest corresponding gas marks
| temperature | usage gas mark 7 | 220 °C | United Kingdom stufe 4 | 220 °C | Germany (actual measurements may vary)