# How do you calculate Gibbs free energy from equilibrium constant?

##### 1 Answer

Nov 24, 2017

I think you mean how to calculate **change** in Gibbs free energy.

#DeltaG^@ = -RTlnK_"eq"#

Where

#DeltaG^@# - Standard change in Gibbs free energy#T# - Temperature in Kelvin#K_"eq"# - Equilibrium constant