Betting calculators
Free tools for pricing bets like a sharp: convert odds, strip the vig, size wagers, and price out parlays, hedges, and props
Arbitrage Calculator
Balance stakes on both sides of a market to lock in profit no matter the result.Expected Value Calculator
See whether a bet makes or loses money in the long run before you place it.Bonus Bet Calculator
Turn sportsbook bonus bets into guaranteed cash at the best possible rate.Half Point Calculator
Find what buying or selling half a point is really worth in every major league.Hold Calculator
Measure the margin baked into a market using the best price on each side.Implied Probability
Convert any odds into the win probability the sportsbook is charging you for.Kelly Calculator
Size every bet optimally based on your edge and bankroll.No-Vig Fair Odds
Strip the juice from any market to reveal the fair odds underneath.Odds Converter
Switch instantly between American, decimal, and fractional odds.Parlay Calculator
Get the combined odds, profit, and payout for any parlay up to 15 legs.Prediction Markets
Translate Polymarket and Kalshi prices into sportsbook odds and back.Point Spread Converter
See the moneyline any point spread implies, from historical closing data.Poisson Calculator
Price any counting-stat prop from a season average.Round Robin Calculator
Break your picks into every parlay combination and see true risk and payout.Vig Calculator
See exactly how much juice a sportsbook is charging on any market.
