Enter game length, roster size, players on the field, and a playing-time target to estimate fair minutes and substitution windows before kickoff.
Equal playing time is calculated by multiplying players on the field by match length, then dividing those available player-minutes by the number of players on the roster. A 50-minute 7v7 game with 12 players has 350 field minutes, or about 29 minutes per player.
Adjust the inputs and the rotation estimate updates instantly.
Use about 8-minute windows. Check minutes at halftime and again before the final 10 minutes.
Multiply players on the field by game length to get total player-minutes. Divide that number by roster size. In 9v9, a 60-minute match creates 540 player-minutes. With 13 players, equal time is about 41.5 minutes each.
Many youth teams use 6-10 minute windows for 7v7 and 8-12 minute windows for 9v9. Shorter windows help large rosters, hot weather, and younger players. Older 11v11 teams usually need fewer, more intentional changes.
Every extra bench player reduces the average minutes available for everyone. A 7v7 team with 10 players can average 35 minutes in a 50-minute game. With 14 players, the average drops to 25 minutes.
A 50-minute 7v7 game has 350 player-minutes. Divide by 12 players and the average is 29.2 minutes. A practical target is 27-31 minutes for most players, with planned rests around minute 8, 16, halftime, 33, and 41.
A 60-minute 9v9 game has 540 player-minutes. Divide by 13 players and the average is 41.5 minutes. Most players need one planned rest, and the bench should enter once each half.
The calculator gives you the pregame target. Match Day and the player-minutes tracker show what actually happened once substitutions, injuries, and game-state changes hit.
Run the live clock, tap substitutions, and keep player-minute totals current.
Compare each player against a playing-time target while the match is happening.
Turn roster size and game length into a practical substitution plan.
Use substitution windows, role protection, and post-match review to keep minutes fair.
Free lineup, rotation, and playing-time tracking for youth soccer coaches. Set your team before kickoff, manage subs from your phone, and keep a clean match record after the whistle.
