Input interpretation
air | critical pressure
Result
3.785 MPa (megapascals)
Unit conversions
3.785×10^6 Pa (pascals)
3.785×10^6 N/m^2 (newtons per square meter)
386 tf/m^2 (metric tons-force per square meter)
37.36 atm (atmospheres) (unit officially deprecated)
37.85 bars
378.5 dbar (decibars)
0.03785 kbar (kilobars)
386 m WC (meters of water column)
0.386 km WC (kilometers of water column)
549 psi (pounds-force per square inch)
79052 lbf/ft^2 (pounds-force per square foot)
Comparisons as pressure
≈ 0.38 × pressure exerted by a 45 kg woman wearing stiletto heels ( ≈ 1×10^7 Pa )
≈ 0.42 × atmospheric pressure on the surface of Venus ( ≈ 9 MPa )
≈ (0.2 to 1.9) × typical pressure range in a light water nuclear reactor ( 2 to 17 MPa )
Corresponding quantity
Depth of water d giving gauge pressure p_e from p_e = ρ_(H_2O)gh: | 386 meters | 0.24 miles | 1266 feet | (assuming maximum water density ≈ 1000 kg/m^3)
Critical point
temperature | 132.6 K (kelvins) -140.5 °C (degrees Celsius) pressure | 3.785 MPa (megapascals) 37.36 atm (atmospheres) density | 302.6 kg/m^3 (kilograms per cubic meter) 0.3026 g/cm^3 (grams per cubic centimeter) specific entropy | 1436 J/(kg K) (joules per kilogram kelvin) specific enthalpy | 164428 J/kg (joules per kilogram) specific internal energy | 151918 J/kg (joules per kilogram)
Phase diagram
Phase diagram