VigFree Analytics | Betting Calculators & Probability ToolsAll essential betting calculators in one place - accurate and easy to use.
Browse all our betting calculators. Click on any calculator to access its dedicated page with detailed explanations and examples.
Convert betting odds into their implied probability and break-even win percentage.
Remove the sportsbook margin (vig) to find the fair probabilities and odds.
Remove the sportsbook margin from 3-way markets like soccer (Home, Draw, Away). Get fair no-vig odds for all three outcomes.
Calculate expected value and optimal bet sizing using the Kelly Criterion.
Measure how much line value you captured compared to closing odds.
Compute the combined probability and fair odds for multi-leg parlays.
Evaluate the risk-reward profile and efficiency of a single bet.
Build positive EV parlays by devigging sharp odds and comparing to your lines.
Maximize the value of bonus bets by calculating optimal hedge strategies.
Calculate profit opportunities by betting on all outcomes across sportsbooks.
Lock in guaranteed profit by placing optimal hedge bets.
Convert betting odds into their implied probability and the win percentage needed to break even. Select the odds format and enter the price to see results. Learn how implied probability works
View Full PageRemove the sportsbook margin (vig) to find the fair probabilities and odds for each outcome. Enter the odds for each of two outcomes using the selected format. Learn what no-vig odds mean
View Full PageRemove the sportsbook margin from 3-way markets (soccer, puck lines) to find fair probabilities and odds for all three outcomes. Learn what no-vig odds mean
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Compute the expected value of a bet based on your own win probability and stake. You can optionally calculate a Kelly Criterion stake recommendation.
Learn how EV works | Learn how Kelly sizing works
Measure how much line value you captured by comparing the odds at which you placed a bet to the closing odds. Positive CLV suggests you bet at a favorable price relative to market close. Select the odds format and enter both prices. Learn how CLV is measured
View Full PageCompute the combined probability and fair odds for a parlay by multiplying the individual leg probabilities. Add as many legs as you like, then calculate to see the true probability of all legs hitting together. Select the odds format and enter each leg's price. Learn how parlay probability works
View Full PageEvaluate the risk-reward profile of a single bet. Enter the posted odds and an optional stake amount to calculate the potential profit per dollar risked and the line efficiency score, which relates the potential reward to the break-even win probability implied by the odds. Learn how line efficiency is calculated
View Full PageDevig vs sharp odds -> true probability -> compare to your odds (with optional boost). Mix and match: some legs can have both sides, others just one side. Learn how EV parlays work
View Full PageMaximize the value of bonus bets or free plays by hedging on the opposite outcome. This calculator determines the optimal hedge bet size to lock in a guaranteed profit. Bonus bets typically don't return your stake on a win, only the profit. Learn how bonus conversion works
View Full PageCalculate potential profit from arbitrage opportunities by betting on all possible outcomes of an event across different sportsbooks. Enter the odds for both sides and your wager amount for the second stake. The calculator will determine the optimal first stake to guarantee profit. Learn how arbitrage works
View Full PageLock in a guaranteed profit or reduce your risk by placing a hedge bet on the opposite outcome. This calculator determines the optimal hedge bet size to equalize outcomes, ensuring the same profit regardless of which bet wins. Learn how hedging works
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