Free Betting Calculators

Professional sports betting tools to help you find +EV bets, size your wagers optimally, and identify arbitrage opportunities.

Expected Value Calculator

Calculate the expected profit or loss of any bet. Find +EV opportunities that are profitable long-term.

Determine optimal bet sizing based on your edge. Maximize bankroll growth while managing risk.

Find guaranteed profit opportunities across sportsbooks. Calculate stake distribution for surebets.

Remove the bookmaker's margin to find true fair odds. Essential for calculating accurate probabilities.

Convert between American, decimal, and fractional odds formats instantly. Essential for comparing lines across books.

Calculate parlay odds, payouts, and implied probabilities for multi-leg bets. See the true cost of parlays.

Convert sportsbook free bets into guaranteed cash by hedging. Calculate optimal hedge stakes and conversion rates.

Find middle opportunities where both bets can win. Calculate risk, reward, and optimal stakes for middles.

Lock in guaranteed profit on existing bets by hedging. Calculate the exact hedge stake and profit breakdown for any scenario.

✓

Stop guessing. Use math to identify bets with positive expected value.

Size your bets optimally to maximize growth while minimizing risk.

⚡

Discover arbitrage opportunities for risk-free returns across sportsbooks.

Skip the manual calculations. Our +EV Bet Finder automatically scans 400+ sportsbooks to find profitable betting opportunities in real-time.