Sports Betting Calculators

Calculate your sports betting payouts with our free betting calculators designed for the US market. Whether you're betting on NFL, NBA, MLB, NHL, or any major sport, our tools help you understand potential returns before placing your bets. All calculators use American odds (moneyline format) and display results in USD.

Moneyline Calculator

Calculate moneyline bet payouts and implied probability.

Odds Converter

Convert between American, Decimal, and Fractional odds formats.

Frequently Asked Questions

What are American odds?

American odds (also called moneyline odds) use positive and negative numbers to show potential payouts. Positive odds (like +150) show how much profit you'd make on a $100 bet. Negative odds (like -200) show how much you need to bet to win $100. All our calculators use American odds.

Are these calculators free to use?

Yes, all our betting calculators are completely free with no signup required. Use them as often as you need to calculate payouts, compare bets, or understand potential returns before placing your wagers.

Which calculator do I need for NFL or NBA betting?

For straight bets on NFL or NBA games, use the Moneyline, Point Spread, or Totals calculator depending on your bet type. For multiple games, use the Parlay Calculator. For same-game bets, try the Same Game Parlay Calculator. For adjusted spreads, use the Teaser Calculator.

Can I use these with any sportsbook?

Yes, our calculators work with odds from any US sportsbook including DraftKings, FanDuel, BetMGM, Caesars, PointsBet, and more. Just enter the American odds shown by your sportsbook to calculate potential payouts.