Input interpretation
metaphosphoric acid | melting point
Result
21 °C (degrees Celsius)
Unit conversions
294 K (kelvins)
70 °F (degrees Fahrenheit)
529 °R (degrees Rankine)
17 °Ré (degrees Réaumur)
19 °Rø (degrees Rømer)
Comparisons as temperature
1 °C above conventional US room temperature (68 °F)
1 °C above temperature at STP (standard temperature and pressure), using the National Institute of Standards and Technology convention (20 °C)
5 °C above temperature at STP (standard temperature and pressure), using the US customary convention (60 °F)
Corresponding quantities
Thermodynamic energy E from E = kT: | 25 meV (millielectronvolts)
Blackbody energy flux Φ from Φ = σT^4: | 425 W/m^2 (watts per square meter)
Approximate luminous exitance from a planar blackbody radiator perpendicular to its surface: | 5.1×10^-22 lx (lux)
Nearest corresponding gas marks
| temperature | usage thermostat 1 | 30 °C | France (actual measurements may vary)