Find out how alimony is calculated in Pennsylvania and what factors the court considers when deciding spousal support awards. Rather the court must weigh 17 factors in determining if alimony is appropriate.There is no specific formula to calculate alimony in Pennsylvania. Judges have the discretion to determine the amount, among other things, based on 17 factors. There is no fixed formula for Pennsylvania alimony. Unlike child support, Pennsylvania does not have a strict formula for calculating alimony. While there is no specific formula to calculate post-divorce alimony, Pennsylvania law does not grant the Court complete discretion. Unlike child support and Alimony Pendente Lite (APL), there is no online calculator to determine an exact amount of alimony. No matter what their lifestyle, learning how to live on a single income can be more than they may have bargained for. Spousal support in PA is calculated based on a formula found in the statewide Pennsylvania Support Guidelines.