Convert between American, decimal, and fractional odds. Calculate payouts and implied probability.

Calculate exact payouts for 2-12 team parlays with true odds and implied probability.

Calculate cover probability and expected value for NFL bets based on your projected line.

Calculate optimal hedge bet size for risk management and profit maximization.

Calculate sportsbook hold percentage, vig, and house edge from betting odds.

Calculate NFL quarterback passer rating from passing statistics with real-time validation.

Track home field advantage statistics and trends for every NFL team.