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Know the numbers cold.

Clear, no-jargon explainers for the stats fans actually argue about, and the scorekeeping that produces them. Every formula matches exactly what Statside computes for you.

Stat formulas

The math behind the numbers, worked out step by step.

4 min read

How to Calculate ERA (Earned Run Average)

ERA measures earned runs a pitcher allows per full game. Learn the formula, how innings pitched work, and why softball ERA scales to 7 innings.

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4 min read

OPS Explained: The One Number for All-Around Hitting

OPS explained in plain terms: what it measures, the two rates it adds, what counts as good, its one flaw, and a worked baseball and softball example.

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4 min read

The Slash Line: Batting Average, OBP, and Slugging

The slash line explained. Learn batting average vs on-base percentage vs slugging, why walks and extra-base hits matter, with a worked example.

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4 min read

Baseball vs. Softball Stats: What Actually Differs

Baseball and softball share almost the same box score. The one stat that changes is ERA, because softball plays 7 innings and baseball plays 9.

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4 min read

Basketball Shooting Percentages Explained: FG%, 3P%, and FT%

Learn how to calculate FG%, 3P%, and FT% in basketball, what counts as a field goal, and the benchmarks that separate good shooters from the rest.

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3 min read

Double-Double and Triple-Double: What They Mean

What is a double-double and a triple-double? Reach 10 or more in two or three of points, rebounds, assists, steals, or blocks. Examples inside.

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5 min read

Passer Rating Explained: How to Calculate It

Learn how to calculate NFL passer rating step by step, what counts as a good number, and how the simpler NCAA efficiency formula differs.

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4 min read

Save Percentage Explained: How to Calculate It

How to calculate save percentage for a goalie or keeper: saves divided by shots faced, with a worked example and benchmarks for hockey, soccer, and lacrosse.

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4 min read

Plus-Minus in Hockey, Explained

Plus-minus tracks the goals scored and allowed while a skater is on the ice at even strength. Here is how it works, with a clear example and its flaws.

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4 min read

Hitting Percentage in Volleyball, Explained

How to calculate hitting percentage in volleyball: the kills-minus-errors formula, why it can go negative, and what a strong number looks like.

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4 min read

Faceoff Percentage in Lacrosse, Explained

How lacrosse faceoff percentage works: the formula, what counts as a great FO%, and the possession stats that decide games. Worked example included.

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Scorekeeping

How to keep the book and read a box score, sport by sport.

4 min read

How to Read a Baseball Box Score

Learn to read a baseball box score line by line. Decode AB, R, H, RBI, BB, SO, AVG, OBP, SLG, and pitching stats like IP, ER, and ERA.

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5 min read

Baseball Scorekeeping Symbols: How to Keep a Scorebook

Learn baseball scorekeeping symbols: position numbers 1-9, how to mark outs, hits, walks, and strikeouts, and how to fill the diamond to score a run.

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Getting started

Pick the right way to track your sport and go live.

4 min read

Box Score vs Play-by-Play: Which Way to Keep Stats

Two ways to keep stats for your team: a box-score grid or play-by-play logging. Learn which fits your sport and why Statside picks the right one.

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