Sportsbook Bonuses
Compare sign-up bonuses & promotions at legal online sportsbooks in the United States that you can use today.
Best Betting Sites
Looking for the best sports betting sites? Compare the best sportsbooks currently available.
+EV Bets Tool
See positive expected value bets that are currently available at sportsbooks. Updates every minute.
Best DFS Sites
See our picks for the best daily fantasy sports (DFS) sites & compare sign-up bonuses from each to find your fit.
Best Sportsbooks of 2023
Must be 21+ in most states. Gambling problem? Call 1-800-GAMBLER
Odds Assist Newsletter
Weekly Picks Delivered Straight to Your Inbox
Get our experts' picks every week for FREE
Sports Betting Calculators
Betting Odds Calculator
Calculate the payout on your bet, convert between odds formats, & see the implied probability
Parlay Calculator
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.
Odds Converter
Convert between the three betting odds formats (American, Decimal, & Fractional)
Sports Betting Legality by State
Check if sports betting is legal in your state & navigate to our state-specific sports betting guides
Legend
- Online & Retail
- Online Only
- Retail Only
- Coming Soon
- Retail Soon
- None
>> Learn More: Sports Betting Legality by State
Recent Posts
FanDuel Promo Code & Sign-Up Bonus | No Sweat First Bet Up to $2,500
FanDuel is one of our vetted sportsbook partners. If you sign up for FanDuel through one of our links, we may receive compensation. This allows
Best Maryland Sports Betting Site & Online Sportsbook Apps
The two-year wait is finally over. Online Maryland sports betting is now live and in full swing. The Old Line State rubber-stamped the launch of
Best Venmo Betting Sites
Venmo is a popular payment platform that allows users to transfer funds to friends, family, and businesses instantly, without any fees. Venmo is particularly attractive
Betting & DFS Sites Like FanDuel – FanDuel Alternatives
FanDuel started out as a daily fantasy sports provider in 2009 and has since grown into a household name in the sports betting and gaming
Louisiana Sports Betting | Best Online Sportsbooks in LA
Louisiana joined the group of states with legal sports betting in October 2021 when it launched its first retail betting shops. Online betting followed suit
New York Sports Betting | Best Online Sportsbooks in NY
New York officially launched online sports betting on January 8, 2022. Nine bidders received mobile betting licenses, including renowned brands already operating across other regulated
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:
Best Sportsbook Promotions & Promo Codes
Best College Football Betting Sites
Sportsbook Reviews
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.