§ Glossary
Basketball stats
in plain English.
25 terms with formulas, worked examples, and why each one matters. Built so a coach, commissioner, or curious fan can read one definition and walk away knowing what the number means.
Box score
The raw counting stats every basketball line records.
- PPGPoints Per Game
PPG is total points scored divided by games played — the simplest measure of a scorer’s output.
Read more - RPGRebounds Per Game
RPG is total rebounds divided by games played — combining offensive and defensive boards into a single per-game number.
Read more - APGAssists Per Game
APG is total assists divided by games played — how many baskets per game a player directly created for a teammate.
Read more - SPGSteals Per Game
SPG is total steals divided by games played — the cleanest counting stat for on-ball defensive playmaking.
Read more - BPGBlocks Per Game
BPG is total blocks divided by games played — the headline rim-protection stat for centers and forwards.
Read more - TOVTurnovers Per Game
Turnovers per game is how often a player coughs up the ball — the negative twin of assists.
Read more - 2x2Double-Double
A double-double is a single game with double-digit totals in two of: points, rebounds, assists, steals, or blocks.
Read more - 3x10Triple-Double
A triple-double is a single game with double-digit totals in three of: points, rebounds, assists, steals, or blocks.
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Shooting
How efficiently a player puts the ball through the hoop.
- TS%True Shooting Percentage
TS% measures shooting efficiency across 2-pointers, 3-pointers, and free throws on a single 0–100 scale.
Read more - eFG%Effective Field Goal Percentage
eFG% is FG% adjusted to give 3-pointers the bonus they deserve — a 3 is worth 50% more than a 2.
Read more - FG%Field Goal Percentage
FG% is the share of shot attempts (2s and 3s combined) that go in — the most basic shooting efficiency metric.
Read more - 3P%Three-Point Percentage
3P% is the share of three-point attempts that go in — the cleanest measure of a shooter’s long-range accuracy.
Read more - FT%Free Throw Percentage
FT% is the share of free throws made — the purest measure of unguarded shooting touch.
Read more - FT/FGAFree Throw Rate
Free Throw Rate is FTA divided by FGA — how often a player draws fouls relative to how often they shoot.
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Efficiency
All-around contribution per game or per possession.
- PERPlayer Efficiency Rating
PER is a per-game number summarizing everything a player does — scoring, rebounds, assists, defense, and turnovers.
Read more - +/-Plus-Minus Net rating (per-100-possession) — Q3 2026
Plus-minus is the team’s point differential while a player is on the floor — credits or charges every player on the court.
Read more - GmScGame Score
Game Score is John Hollinger’s single-number summary of a player’s value in one game — scaled like points.
Read more - ORtgOffensive Rating Player-level ORtg — Q4 2026
Offensive Rating is points scored per 100 possessions — the standard pace-adjusted offensive efficiency metric.
Read more - DRtgDefensive Rating Player-level DRtg — Q4 2026
Defensive Rating is points allowed per 100 possessions — the standard pace-adjusted defensive efficiency metric.
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Usage
How much of the team’s offense flows through a player.
Rates
Per-possession or percentage-based ratios.
- AST/TOAssist-to-Turnover Ratio
AST/TO measures ball-control: how many assists a player creates for each turnover they commit.
Read more - TOV%Turnover Percentage
TOV% estimates what percentage of a player’s possessions ended in a turnover — controlling for usage.
Read more - ORB%Offensive Rebound Percentage Pace-adjusted variant — Q3 2026
ORB% is the share of available offensive rebounds a player grabbed while on the floor.
Read more - DRB%Defensive Rebound Percentage
DRB% is the share of available defensive rebounds a player grabbed while on the floor.
Read more - PacePace
Pace is possessions per 48 minutes — how fast a team plays, independent of how well they score.
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