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.
WHIP explained without the calculator: plain-English definition, the one-line (BB + H) / IP formula with the fractional-innings catch, MLB rating tiers from Elite to Poor, level benchmarks for NCAA, high school and youth, the all-time career leaders led by Addie Joss at 0.968, and how WHIP compares against ERA, FIP, K/9 and BB/9.
SLG explained without the calculator: formula walkthrough, MLB rating scale and level benchmarks, the .400 vs .500 thresholds, the 1.000-SLG question, all-time career leaders, and a side-by-side comparison with batting average and OPS.
Calculate Course Handicap with the official WHS formula: Index x (Slope / 113) + (Course Rating - Par). Score-to-Index estimates for 90 and 100 rounds, the 3-round rule with the full fewer-than-20 adjustment table, a Slope 130 lookup chart, and Excel formulas for league trackers.
FIP isolates pitcher-only outcomes (HR, BB, HBP, K) onto an ERA scale, stripping out defense and batted-ball luck. Interactive calculator with both formulas (simple Tom Tango and official FanGraphs), FIP constant by year explanation, MLB rating scale from elite to awful, FIP vs ERA gap reading, and FIP Minus / xFIP variants.
BABIP strips out strikeouts and home runs to show how often batted balls become hits. Interactive calculator, MLB rating scale, luck vs skill breakdown, pitcher BABIP and DIPS theory, career leaders from Ty Cobb to Ichiro, and benchmarks from youth through MLB.
Interactive tracker for every pitch, with MLB Pitch Smart, Little League, USSSA, and PONY rulesets built in. Strike and ball counters with live strike percentage, daily pitch maximums for ages 7 through 22, required rest day calculator, Tommy John risk factors from ASMI research, printable sheet format, and a 7-question FAQ on bullpen counts, mid-batter rules, and girls softball.
The Swiss format pairs players each round by running score, with no eliminations. Includes an interactive Dutch-pairing generator, the ceil(log2(n)) round formula, a worked 8-player example across three rounds, Buchholz and Sonneborn-Berger tiebreakers, and a Swiss vs round robin comparison.
Six innings, three earned runs or fewer. The full QS rule set with the 4.50 ERA ceiling, stricter alternatives (high quality start, dominant start), all-time career and single-season leaders (Sutton 483, Ryan 481, Chesbro's 1904 record), consecutive QS streaks (Gibson, deGrom, Valdez at 25-26), the 2022 Ohtani rule for two-way starters, a QS Rate benchmark scale with Tesreau's 72.0% career record, the gap between quality starts and wins, and how QS shows up in PrizePicks and MLB The Show 25.
Wins Above Replacement measured against a league-minimum substitute, with a full rating scale for hitters and pitchers, all-time career leaders, single-season records, pitching-specific benchmarks, fWAR vs. bWAR differences, and a component breakdown of how the formula combines batting, baserunning, fielding, and positional adjustments.
Interactive slugging percentage calculator with the SLG formula, a step-by-step worked example for college and varsity hitters, Excel formula setup, and a comparison between SLG and batting average for evaluating power hitters.
Interactive WHIP calculator for baseball and softball. Step-by-step formula breakdown with fractional innings notation, worked example, and an ERA comparison table showing what each stat combination reveals about pitcher performance.
OPS formula breakdown with interactive calculator, OBP/SLG component analysis, MLB rating scale, all-time leaders table, OPS+ explanation, and benchmarks from youth through MLB.
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 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.
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.
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).
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.
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.
Digital tools help you organize your coaching, track athlete progress, and build a systematic workflow. Start your free 14-day trial.
