Betting Calculators

Professional sports betting tools to help you make smarter bets. All calculators are free and work with decimal, fractional, and American odds.

23 Free Tools No Registration Required
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General

General purpose betting calculators

Asian Handicap Calculator

Calculate Asian handicap betting outcomes including quarter and half handicaps.

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Cash Out Calculator

Calculate optimal betting cash out timing and value. Analyze sportsbook cash out offers vs fair market value to maximize profits and minimize losses.

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Drawdown Calculator

Calculate and analyze your betting bankroll drawdown. Track maximum drawdown, recovery requirements, and expected losing streaks for better bankroll management.

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Dutching Calculator

Calculate optimal stakes for dutching across multiple outcomes.

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Half

Calculate the value of buying or selling half-points for spreads and totals in various sports

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Horse Racing Calculator

Calculate horse racing bet payouts for Win, Place, Show, Exacta, Trifecta, Superfecta, and Quinella bets. Box betting options and ROI calculations included.

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No

Remove bookmaker margin to find true probabilities and fair odds

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Over/Under Calculator

Calculate over/under betting outcomes and analyze totals markets.

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Reverse Bet Calculator

Calculate reverse bet outcomes including maximum win/loss and all possible scenarios

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Risk of Ruin Calculator

Calculate your risk of ruin in sports betting. Analyze the probability of losing your entire bankroll based on win rate, odds, and bet sizing strategy.

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Spread/Moneyline Calculator

Convert between point spreads and moneylines for football, basketball, and other sports

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Streak Calculator

Calculate the probability of achieving a winning streak in a series of bets

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Need Help Finding the Right Calculator?

Not sure which calculator to use? Here are some quick recommendations:

New to betting?

Start with Bet Conversion and Implied Probability calculators

Want guaranteed profits?

Use the Arbitrage and Hedge calculators

Multiple bets?

Try Parlay and Round Robin calculators

Gamble Responsibly: Betting involves risk. Only bet what you can afford to lose. 18+ only.