Calculator Inputs
Example Data Table
| Player | MP | ORB | DRB | Team ORB | Team DRB | Opp ORB | Opp DRB | Chances | ORB% | DRB% | TRB% |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Starter A | 34 | 4 | 9 | 12 | 31 | 10 | 28 | 17 | 14.12% | 30.99% | 22.66% |
| Wing B | 28 | 2 | 6 | 12 | 31 | 10 | 28 | 12 | 8.57% | 25.09% | 16.93% |
| Reserve C | 18 | 1 | 3 | 12 | 31 | 10 | 28 | 7 | 6.67% | 19.51% | 13.07% |
These examples show how different roles and minutes can change rebound percentages even when raw rebound totals look similar.
Formula Used
ORB% = 100 × [(Player ORB × Team Minutes ÷ 5) ÷ (Player Minutes × (Team ORB + Opponent DRB))]
DRB% = 100 × [(Player DRB × Team Minutes ÷ 5) ÷ (Player Minutes × (Team DRB + Opponent ORB))]
TRB% = 100 × [(Player Total Rebounds × Team Minutes ÷ 5) ÷ (Player Minutes × (Team Total Rebounds + Opponent Total Rebounds))]
Team Share% = 100 × (Player Total Rebounds ÷ Team Total Rebounds)
Chance Conversion% = 100 × (Player Total Rebounds ÷ Rebound Chances)
How to Use This Calculator
- Enter the player name and the game, stretch, or season label.
- Input player minutes and team minutes for the sample.
- Fill in player offensive and defensive rebounds.
- Enter team and opponent rebound totals by offensive and defensive type.
- Add rebound chances if you track optical or play-by-play opportunity data.
- Choose the primary result you want highlighted after calculation.
- Press the calculate button to see the summary, metrics, and chart.
- Use the CSV or PDF buttons to export the report.
Frequently Asked Questions
1) What does rebound percentage measure?
Rebound percentage estimates how many available rebounds a player collected while on the court. It adjusts for playing time and available opportunities, so it is more informative than raw rebound totals alone.
2) Why is rebound percentage better than total rebounds?
Raw rebounds depend heavily on minutes and pace. Rebound percentage adds context by comparing a player’s rebounds to the total boards available during that player’s court time.
3) What is the difference between ORB% and DRB%?
ORB% focuses on rebounds after your team misses. DRB% focuses on rebounds after the opponent misses. They help separate second-chance creation from possession-ending defensive work.
4) Why does the formula use team minutes divided by five?
That step converts total team minutes into one player slot’s minutes. It allows the player’s court time to be compared fairly against total rebound opportunities in the lineup context.
5) Can I use overtime games?
Yes. Replace regulation team minutes with the actual total team minutes played. That keeps the percentage aligned with the real number of on-court rebound opportunities.
6) What are rebound chances?
Rebound chances are tracked opportunities where a player had a realistic chance to secure a rebound. Comparing rebounds to chances shows finishing efficiency on those opportunities.
7) Why can a player have a high team share but lower rebound percentage?
Team share only compares the player to teammates. Rebound percentage compares the player to all available rebounds while on the floor, which includes opponent misses and lineup context.
8) What inputs most affect the result?
Player minutes, rebound totals, and available team plus opponent rebounds usually drive the percentage most. Incorrect team minutes or wrong rebound splits can noticeably distort the final values.