HelpCalculate Widgets

Betting Widgets

Embed betting calculators on your site. Customize and copy the embed code.

Betting Odds

Embed the Betting Odds Calculator. Enter stake and odds to see payout and profit.

Convert between American, Decimal, and Fractional odds with implied probability.

Convert Polymarket-style Yes % to American, Decimal, and Fractional odds.

Calculate multi-leg parlay payouts and combined odds.

Find the optimal hedge amount to lock in guaranteed profit.

Compare cash out offers to fair value and expected profit.

Calculate parlay fair value with won and pending legs.

Pot odds, outs, and hit probability for call/fold decisions.