Sports Calculators & Generators

Skip the manual math. These interactive tools calculate earned run average, batting average, and on-base percentage for baseball and softball. The bowling score calculator verifies frame-by-frame totals, and the handicap calculator uses your league averages.

Need a tournament schedule? The round robin generator builds balanced matchups for any number of teams, with venue assignments and bye rounds. Every calculator shows the formula behind the result so coaches and players learn the math, not just the number.

When you are ready to track these metrics over time, Striveon's performance testing tools let you log results and monitor progress across a full season. Bookmark the tools you use most often for quick access during the season.

On-Base Percentage Calculator (Free, With OPS)

Interactive OBP calculator with SLG and OPS expansion. Includes the full OBP formula breakdown, walk impact analysis with side-by-side comparisons, rating scales for OBP/SLG/OPS, level-specific benchmarks from youth through MLB, and an Excel formula reference for spreadsheet tracking.

Interactive

Bowling Handicap Calculator (Free, USBC Formula)

Interactive handicap calculator with USBC formula. Pre-built charts for 90% of 220 and 80% of 230, percentage factor comparison, basis score guide, score benchmarks by skill level, and full USBC rules reference.

InteractiveSave as ImageCopy to Excel

Bowling Score Calculator: How Scoring Works

Step-by-step scoring rules for strikes, spares, and open frames. Covers the 10th frame, perfect 300 game breakdown, max score scenarios, score benchmarks by skill level, and duckpin bowling scoring differences.

Copy to Excel

Batting Average Calculator (Free, With OBP)

Interactive batting average and OBP calculator with quality ratings. Includes formula breakdown, at-bat rules, rating scale, softball benchmarks, level-specific comparisons (MLB/NCAA/HS/Youth), and stat comparisons (BA vs OBP vs SLG vs OPS).

Interactive

Round Robin Tournament: Format, Formula & Generator

Free round robin generator for 2 to 32 teams with schedule export. Covers the game count formula, worked examples for 3 and 4 team setups, round robin vs bracket comparison, and pickleball-specific scheduling tips.

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ERA Calculator (Free, Works for 9/7/6 Innings)

Interactive ERA calculator with support for 9, 7, and 6 inning games. Includes ERA rating scale, fractional innings guide, WHIP comparison, reverse ERA calculations, and earned vs. unearned run breakdown.

Interactive
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