The Mechanical
Engineering Handbook




Atmospheric Conditions at Standard Sea-Level (SSL)

Atmospheric Conditions



Property Symbol Value Unit
Pressure P 101.325 kPa
Density ρ 1.225 kg/m³
Temperature T 288.15 K
Gas Constant of Air R 287.057 J/kgK
Specific Weight γ 12.014 N/m³
Dynamic Viscosity μ 1.789 x 10-5 Pas
Acceleration Due to Gravity g 9.807 m/s²