Craps True Odds Payout Calculate the blended house edge when taking odds behind the Pass Line. Pass Line Bet ($) Odds Multiplier (e.g. 3x, 4x, 5x) Calculate Blended Edge Total Action (Pass + Odds): Blended House Edge: Note: Pass Line edge is 1.41%. Odds bets have 0% edge. Blended edge decreases as odds multiple increases.