Professional Grade

Betting Tools

Stop guessing. Use the same mathematical frameworks as the pros to manage your bankroll, hedge your risk, and calculate your edge.

Free

Moneyline Calculator

Calculate potential profit, total payout, and implied probability from American odds.

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Free

Expected Value Calculator

The most important tool for profitability. Compare sportsbook odds vs true probability to find your edge.

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Free

Kelly Criterion Calculator

The gold standard for bankroll management. Calculate exactly how much to bet based on your edge and risk tolerance to maximize geometric growth.

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Free

Arbitrage Calculator

Find the perfect hedge stakes to guarantee profit when you find odds discrepancies between books. Includes ROI and profit/loss breakdown.

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Parlay Calculator

Calculate the true odds and payouts of your multi-leg parlay tickets instantly. Supports American and Decimal odds formats.

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Free Bet Converter

Turn sportsbook bonuses into guaranteed cash. Use matched betting math to lock in 70-80% profit from free bets.

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CLV Calculator

The ultimate metric for sharp bettors. Calculate your Closing Line Value percentage to verify your edge against the market.

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No-Vig Calculator

Remove the sportsbook fee (juice) to find the fair win probability and true odds of a wager.

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Implied Probability Calculator

Convert betting odds into a percentage chance of winning. Also includes a reverse mode to convert probability back to odds.

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Odds Converter

Instantly translate odds between American, Decimal, Fractional, and Implied Probability formats. Vital for line shopping.

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Free

Hedge Calculator

Lock in a guaranteed profit or limit your loss on an existing bet when the line moves in your favor.

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Free

Market Hold Calculator

Find out exactly how much the sportsbook is charging you. Calculate the vig (theoretical hold) of any betting market.

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Half-Point Calculator

Should you buy the hook? Analyze the mathematical cost of buying points vs. the push frequency of key numbers.

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Free

Poisson Distribution Calculator

Use Expected Goals (xG) to model the exact probability of every scoreline. Essential for Soccer and Hockey bettors.

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Free

Round Robin Calculator

Create multiple parlay combinations (Trixie, Patent) to reduce risk and hedge your variance.

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Why use betting calculators?

Sports betting is a math game disguised as a sports game. The biggest difference between a recreational bettor and a sharp is discipline regarding numbers.

Using tools like a Kelly Criterion calculator ensures you never bet too much on a single game, protecting you from ruin. Arbitrage calculators allow you to exploit market inefficiencies for risk-free returns.

Maximize Growth

Optimal sizing grows your bankroll faster than flat betting.

Minimize Risk

Understand implied probability to avoid negative EV wagers.

Find Your Edge

Calculate the true value of a bet before you place it.

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Ready to find your Edge?

Join thousands of smart bettors who have stopped guessing and started calculating. Access institutional-grade tools for the price of a standard wager.

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