Betting Tools & Calculators

Calculate profit and total return for a single bet using American or decimal odds.

Combine multiple bets into one parlay and calculate the total odds, implied probability, and payout.

Find 2-way arbitrage opportunities and calculate the exact stake split to lock in a guaranteed profit.

Convert American or decimal odds into implied (break-even) probability in one click.

Convert between American, decimal, and fractional odds and see implied probability.

Size a hedge bet to reduce risk or equalize profit across outcomes.

Calculate your optimal bet size using the Kelly Criterion. Includes full Kelly, half Kelly, and quarter Kelly suggestions.

Calculate EV and EV% to see whether a bet is +EV or -EV based on your projected win probability.

Calculate potential profit and total payout for a bet using American or decimal odds.

Remove the vig from 2-way odds to find true probabilities and fair odds (vig remover).

Remove the vig from three-outcome Home/Draw/Away odds and calculate normalized fair probabilities and prices.

Track your bets, analyze performance, and monitor your betting ROI over time. Store bets locally or sync with your account.