Bowling Score Calculator: Strikes, Spares, and Tenth-Frame Bonuses
Bowling scoring is easy to get wrong by hand because bonuses carry forward. This calculator applies the standard rules frame by frame.
What is the Bowling Score Calculator?
Enter every ball as a comma-separated list, using 10 for a strike and the pins knocked down otherwise. The tool applies standard ten-pin scoring, including strike and spare bonuses and the extra balls in the tenth frame. A perfect game of twelve strikes scores 300.
How to use it
- Enter every ball, separated by commas.
- Use 10 for a strike.
- Click Score My Game.
Worked example
Twelve strikes score 300: each strike earns 10 plus the next two balls, and the tenth frame keeps its extra balls.
What does a perfect game score?
300, from twelve strikes with full strike bonuses in every frame.
Frequently asked questions
How are spares scored?
A spare earns 10 plus the pins from the next single ball.
Why does the tenth frame have three balls?
A strike or spare in the tenth earns bonus balls so its bonus can be counted.