Standard atmosphere of 1 bar is 1013.25 hPa or 101325 Pa.

Note: 1 Pa = 1 kg/(m.s2)

Symbol
$p_{\mathrm{gas}}$
Unit
Pa
Formulae
$287.1 T_{air} \rho_{\mathrm{gas}}$air (ideal gas)
$296.8 T_{\mathrm{gas}} \rho_{\mathrm{gas}}$N2 (Vermeer1983, ideal gas)
$\frac{56.93 \rho_{\mathrm{gas}}}{T_{\mathrm{gas}} + 230}$SF6 (Vermeer1983)
$R_{\mathrm{gas}} T_{\mathrm{gas}} \rho_{\mathrm{gas}}$ideal gas
Related
$R_{\mathrm{gas}}$
$\rho_{\mathrm{gas}}$
Gas density [kg/m³]
$T_{\mathrm{gas}}$
Used in
$\rho_{\mathrm{gas}}$
Gas density [kg/m³]