Sports Betting Tools

A live arb scanner plus free calculators to find +EV bets, convert free bets, devig lines, and more.

Featured · GigaStud

📡 Arb Scanner

Real-time arbitrage opportunities across all major sportsbooks, with stake sizing, book filters and state-aware betting links. Leave it open and let it find the next locked-in profit.

Open the Arb Scanner

Free Calculators

📊

Devig Calculator

Remove the vig from bookmaker odds to find true fair probabilities and fair odds.

Open

💰

Bonus Bet Converter

Calculate the optimal hedge to guarantee profit from a bonus bet or free bet.

Open

🚀

Boost EV Calculator

Determine the expected value of a boosted odds promotion from any sportsbook.

Open

🔗

Parlay Calculator

Combine multiple legs to see total payout, implied probability, and parlay vig.

Open

🎯

Kelly Criterion Calculator

Find your mathematically optimal bet size based on bankroll, odds, and edge.

Open

🔄

Odds Converter

Convert between American, Decimal, and Fractional odds formats instantly.

Open

⚖️

Arbitrage Calculator

Find guaranteed profit opportunities by betting both sides across sportsbooks.

Open

🛡️

Hedge Calculator

Lock in profit or minimize loss on an existing bet like a futures wager.

Open

🎰

Middles Calculator

Calculate the expected value when a spread gap lets both sides of a bet win.

Open