Strength of Schedule Calculator

Calculate the Strength of Schedule (SOS) for a team based on the win-loss records of its opponents. A higher SOS indicates a more difficult schedule.

Enter opponent records above and click Calculate.

Formula

Opponent Win Percentage:

Win% = (Wins + 0.5 × Ties) / (Wins + Losses + Ties)

Strength of Schedule (SOS):

SOS = (Σ Opponent Win%) / Number of Opponents

The result is expressed as a percentage. A higher SOS means the team faced tougher competition.

Rating Scale:

Assumptions & References