What the Basketball PER Calculator Measures

Player Efficiency Rating condenses everything a basketball player does on the court into a single, comparable number. The Basketball PER Calculator takes a player's box-score totals — field goals, three-pointers, free throws, rebounds, assists, steals, blocks, turnovers, and fouls — weights each event by its value, and divides the net result by minutes played to produce a per-minute rating. That figure is then normalized to a league-average scale where 15.0 represents a typical rotation player. Because every positive and negative action is captured, PER offers a fast, holistic snapshot of production that is far more informative than points per game alone.

How to Read Your PER Result

The color-coded tiers make interpretation immediate. A PER of 15.0 is exactly league average, 20 or higher marks an above-average starter, 25 and up is All-Star territory, and 30 or higher signals an MVP-level season that only a few players reach each year. Ratings below 15 fall into below-average, bench, or very poor territory. The bar chart plots your player directly against the 15.0 baseline, while the breakdown table separates positive contribution from negative contribution so you can see exactly where value is created or lost. Use the shooting percentages alongside PER to distinguish efficient scorers from high-volume, low-efficiency players.

Using PER for Scouting and Fantasy Basketball

PER is a powerful shortlist tool for player evaluation, draft boards, and fantasy basketball decisions because it rewards well-rounded, efficient production. High-PER players on limited minutes are prime breakout candidates if their role grows, while high-minute players with mediocre PER can be efficiency traps to avoid. Enter each candidate's per-game averages, compare their PER against the league baseline, and lean on the breakdown to see whether their value comes from scoring, playmaking, or defense. Keep in mind that PER slightly undervalues elite defenders, so pair it with usage rate, shooting splits, and film study before making final roster calls.