You need to enable JavaScript to run this app. Bowling Score Keeper & Tracker The bowler’s guides How to Keep Score in Bowling (Strikes, Spares & the 10th Frame) - A strike scores 10 plus your next two balls, a spare 10 plus one, an open frame counts pins. Full worked game, 10th frame rules, and the math behind a 300.Bowling Handicap: 90% of 220, and the Full Chart - Bowling handicap = (basis - average) x percentage, rounded down. At 90% of 220, a 150 average earns 63 pins a game. Formula, charts, and worked examples.Bowling Average: How to Calculate It (and What's Good) - Bowling average = total pins divided by games bowled, fraction dropped. Worked examples, a good-average chart, handicap math, and what actually raises yours.Spare Shooting: the 3-6-9 System & Single-Pin Conversions - The 3-6-9 spare system: keep your strike target, move your feet 3 boards for the 2-pin, 6 for the 4-pin, 9 for the 7-pin, and mirror for right-side spares.Bowling Oil Patterns: House Shot vs Sport, and Ball Choice - House shots pile oil in the middle so slight misses steer back to the pocket; sport patterns are flat and punish misses. How to read oil and pick your ball.How Much Is a Turkey Worth in Bowling? 60 to 90 Points - A turkey is three strikes in a row, worth 60 to 90 points across three frames. The first frame of the three scores exactly 30. See the exact math.What Weight Bowling Ball Should You Use? - Pick a ball about 10 percent of your body weight, capped at the 16 lb legal max. Full chart, worked examples, house ball fit, and signs your weight is wrong.Bowling Handicap Chart: 90% of 220, 80% of 200 and 100% of 220 - Full bowling handicap charts for 90% of 220, 80% of 200, and 100% of 220. Handicap = (basis - average) x percentage, rounded down. Average 150 at 90% = 63.