No Vig Calculator

Calculate True Probability & Fair Odds

Our free No Vig Calculator instantly removes the sportsbook's built-in profit margin (the "juice" or "vig") to reveal the true mathematical probability of a wager. Whether you are line shopping or calculating Expected Value (+EV), our tool helps you find the exact no-vig fair odds so you can make sharper, more profitable bets.

Why Use Our Fair Odds Calculator?

Lightning Fast Conversions

Instantly translates between American and Decimal odds while stripping out the bookmaker's margin in real-time.

Exact Vig Calculation

Automatically calculates the exact hold percentage the sportsbook is charging you for taking the bet.

True Implied Probability

Scales the inflated sportsbook probabilities back down to a perfect 100% to show you the actual chances of an outcome.

How to Remove the Vig

Select Odds Format

Choose whether you want to input standard American odds (e.g., -110) or Decimal odds (e.g., 1.90).

Enter Side 1

Input the current sportsbook odds for the first outcome (like the Home Team or the Over).

Enter Side 2

Input the current sportsbook odds for the opposing outcome (like the Away Team or the Under).

View Fair Odds

The calculator instantly reveals the true no-vig odds, implied probabilities, and the sportsbook's total hold percentage.

💡 Understanding No Vig Odds

Sportsbooks do not offer betting lines based on exact true probabilities; they bake a profit margin—known as the vig or juice—into every line. For example, a standard point spread prices both sides at -110. If you convert -110 into implied probability, it equals 52.38%. Adding both sides together gives you 104.76%. That extra 4.76% is the sportsbook's guaranteed mathematical edge. By removing the vig, you "de-vig" the market to see the exact 50/50 fair odds (which would be +100 / +100).

💡 The Key to Profitable Betting

Finding the no-vig fair odds is the foundation of Expected Value (+EV) betting. If you can consistently find sportsbooks offering odds that pay out better than the true fair odds calculated here, you will hold a mathematical edge over the house in the long run!

Frequently Asked Questions

How to calculate no vig odds?

If you want to know how do you calculate no vig odds by hand, you first convert the sportsbook's odds into implied probabilities. Next, you add those probabilities together to find the total overround. Finally, you divide each individual probability by the total overround to scale them back to exactly 100%.

What is a no vig calculator?

A no vig calculator is a specialized sports betting tool that strips the house edge from betting lines. If you are wondering how does a no vig calculator work, it automatically performs the complex probability math mentioned above to reveal the true mathematical chances of an outcome. Learning how to use a no vig calculator is the first step for any serious sports bettor.

What are no vig fair odds?

No vig fair odds are the true, mathematically accurate odds of an event happening with zero bookmaker profit baked in. They represent the actual break-even point for a wager.

Enter Dimensions

Estimated Results

True "Fair" Odds (No Vig)