ERA Calculator
Earned run average.
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Sports
Bowling Score Calculator
Enter each frame to total your bowling score.
Enter each frame (X = strike, / = spare, - = miss)
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Total score
—
| Strikes | — |
|---|---|
| Spares | — |
| Frames scored | — |
| — |
Show our math
Enter your figures above to see the step-by-step working.
Everything computed client-sideEverything computed client-side — nothing leaves this page
How the Bowling Score Calculator Works
Bowling scoring rewards strikes and spares with bonuses. A strike (X) scores 10 plus the next two balls; a spare (/) scores 10 plus the next one ball; an open frame just scores the pins knocked down. Enter each frame — X for a strike, a number then / for a spare, or two numbers for an open frame — and the calculator adds it all up with the bonuses.
The tenth frame allows a third ball if you strike or spare. A perfect game — twelve strikes — is 300.
strike = 10 + next two balls · spare = 10 + next ball
Frequently Asked Questions
How is bowling scored?
Open frames score the pins knocked down. A spare adds the next ball to 10; a strike adds the next two balls to 10.
What is a perfect bowling score?
300 — twelve strikes in a row (one in each of the first nine frames plus three in the tenth).
How do I enter a strike or spare?
Type X for a strike, or a number followed by / for a spare (like 7/). Use - for a missed pin.
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