Slugging Average CalculatorUncategorized Slugging Average Calculator (Your browser must support JavaScripting for this calculator to function correctly.) Slugging average is calculated as – Total bases/(OfficialAt bats) Official At bats is calculated as – Plate appearances – walks – hit by pitch – sacrifices Total bases is calculated as – singles + 2 * doubles + 3 * triples + 4 * home runs Enter Singles Enter doubles Enter triples Enter home runs Enter official times at bat Slugging average (Calculated) Need help improving your game, or just want to move on to the next level?? Then check out our large selection of instuructional books and videos.