Basketball stats
in plain English.

5 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.

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.
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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.
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Efficiency

All-around contribution per minute or per game.

PERPlayer Efficiency Rating
PER is a per-game number summarizing everything a player does — scoring, rebounds, assists, defense, and turnovers.
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Usage

How much of the team’s offense flows through a player.

USG%Usage Rate
USG% measures the share of a team’s offensive plays a player is responsible for — shots, free throws, and turnovers combined.
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Rates

Per-possession or per-game ratios.

AST/TOAssist-to-Turnover Ratio
AST/TO measures ball-control: how many assists a player creates for each turnover they commit.
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Basketball statsin plain English.

Basketball stats
in plain English.