In baseball, Isolated Power or ISO is a sabermetric computation used to measure a batter's raw power. One formula is slugging percentage minus batting average.
ISO=SLG−AVG{\displaystyle ISO=SLG-AVG}
=(1B)+(2×2B)+(3×3B)+(4×HR)AB−HAB{\displaystyle ={\frac {({\mathit {1B}})+(2\times {\mathit {2B}})+(3\times {\mathit {3B}})+(4\times {\mathit {HR}})}{AB}}-{\frac {H}{AB}}}