What is vig or juice in sports betting?

Vig (short for vigorish, also called juice) is the commission sportsbooks charge on bets. It is built into the odds so the implied probabilities of all outcomes add up to more than 100%, giving the book hold regardless of the result.

How do you calculate no-vig odds?

To remove the vig, convert odds to implied probabilities, then normalize them so they sum to exactly 100%. The formula is fair probability = implied probability / total implied probability. Then convert the fair probability back to your preferred odds format.

Is a no-vig calculator the same as a vig calculator?

A vig calculator measures sportsbook hold. A no-vig calculator also removes that hold to show fair odds. This page does both because the results include the vig percentage and fair no-vig prices for each outcome.

Why do no-vig odds matter?

No-vig, or fair, odds represent the market price after removing the sportsbook's margin. By comparing a book's actual odds to fair odds, you can identify prices that deserve more review before placing a bet.

How do I use no-vig odds to find value?

Calculate the fair odds for a market, then shop lines across sportsbooks. If any book offers odds better than fair, that price may be worth deeper research. Always check market rules, limits, and whether the line is still available.

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No-Vig Parlay Kelly Criterion EV / Edge Arbitrage Hedge Bonus Conversion Implied Odds

No-Vig Calculator

Remove sportsbook vig or juice to see fair no-vig odds, true probabilities, and hold percentage for a market.

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Use fair odds to compare sportsbook prices

Apply no-vig pricing to game lines, sportsbook optimization, and player prop research before deciding whether a listed price deserves more review.

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How to Use This No-Vig Calculator

Enter the listed odds for each side of the market.
Choose American, decimal, or fractional odds to match the source book.
Calculate to convert listed odds into implied probabilities and remove the sportsbook hold.
Compare the fair no-vig odds with prices at other books to decide whether a number deserves more review.

No-Vig Fair Odds and Vig Percentage Explained

Sportsbooks build vig, juice, or hold into listed odds, which makes the total implied probability across all outcomes exceed 100%.

A no-vig fair odds calculator normalizes those implied probabilities so the market totals 100%. That gives you a cleaner reference price for each side before comparing against live sportsbook prices.

No-vig odds are a reference price, not a guarantee. Verify house rules, line freshness, limits, and market availability before deciding whether a listed number deserves more review.

Vig = total implied probability - 100%; fair probability = implied probability ÷ total implied probability; fair odds = 1 ÷ fair probability

Frequently Asked Questions