Free tools and calculators
Compare odds, estimate payouts, plan stakes and evaluate cash out offers. Choose a free calculator to check the numbers before your next decision.
11 free calculatorsParlay Calculator
Calculate combined odds, potential payout and profit for bets with multiple selections.
Open calculatorBetting Odds Calculator
Estimate your payout and profit from a stake and American, decimal or fractional odds.
Open calculatorHedge Calculator
Compare hedge stakes and the net result on either side of a two-outcome bet.
Open calculatorNo-Vig Calculator
Remove the bookmaker margin to estimate fair probabilities and no-vig odds.
Open calculatorOdds Converter
Convert American, decimal and fractional odds and see the implied probability.
Open calculatorArbitrage Calculator
Check whether opposing odds create an arbitrage opportunity and calculate the stake split.
Open calculatorExpected Value Calculator
Compare your estimated win probability with the odds to calculate expected value and ROI.
Open calculatorKelly Criterion Calculator
Estimate a bankroll stake using full, half or quarter Kelly and your own win probability.
Open calculatorCash Out Calculator
Compare a cash out offer with the current odds-based value of your bet and its net profit.
Open calculatorRound Robin Calculator
Build every smaller parlay from your selections and compare total stake, payouts and win/loss/push scenarios.
Open calculatorDutching Calculator
Split a total stake across chosen outcomes and compare rounded payouts, net results and coverage assumptions.
Open calculator
Put your analysis into perspective
Explore prediction markets and compare market prices with your own view of the probabilities.
Explore prediction markets