League math
Bowling handicap calculator
Enter the rule printed on your league sheet. We’ll show the handicap per game and the math behind it.
Your league rule
The common starting point is 90% of 230.
Your handicap appears here
Use your listed league average and the exact percentage and base score from your league rules.
Calculated handicap
0
pins per game
3-game series0handicap pins
Average + handicap0typical adjusted score
Pins below base0before percentage
Formula
League rules differ. This calculator caps negative handicap at zero and rounds fractional handicap down to the next whole pin.