Free sportsbook comparisons, sports betting tools, & more
We research and review sportsbooks, create free tools, and help you compare odds so you can make the most educated sports bets possible.
Sports Betting Calculators
Betting Odds Calculator
Calculate the payout on your bet, convert between odds formats, & see the implied probability
Calculate the payout on your parlay based on the odds of each leg. Works with all odds formats
Hedge & Arbitrage Calculator
See the hedge amount that guarantees you the most profit based on your original bet & the hedge odds
Odds to Probability Calculator
See the implied probability of your bet winning based on the odds in any format.
Free Bet Calculator
Learn how to hedge a free bet to guarantee yourself the most profit & see how much you would win.
Convert between the three betting odds formats (American, Decimal, & Fractional)
Join the Odds Assist Newsletter
Stay up-to-date on the latest sports betting news and get alerted when sportsbooks offer new odds boosts & promotions
Learn about sports betting & Find Sportsbooks
We have a number of sports betting resources to help you learn about how sports betting works, how to increase your chances of winning, and more. Here are some of our top picks:
ABOUT ODDS ASSIST
We created Odds Assist to help bettors make better decisions when it comes to wagering on sports. We collect hundreds of data points on sportsbooks so you can be sure you are wagering your money with the best options available. We have in-depth sportsbook reviews, detailed state betting guides, free tools and calculators, and much more to help you along your sports betting journey. Learn more about us here.