Betting Odds Calculator
Calculate your potential payout and profit
About the Calculator
Betting odds can feel abstract until you see the payout in dollars. This calculator turns any odds format into a clear return and profit, so you know exactly what a bet is worth. Enter your stake and odds, then compare American, decimal, or fractional formats without doing the math yourself. It is useful for comparing sportsbooks, checking value on a line, or explaining a bet to someone else. You can also see how favorites and underdogs change the payoff, which helps you weigh risk and reward. Use it before you place a wager to make sure the payout matches your expectations.
Total Payout
$190.91
Profit
$90.91
The Formula
How to Calculate Manually
- 1
Select your odds format (American, Decimal, or Fractional)
- 2
Enter your stake amount
- 3
Enter the odds value
- 4
View your potential payout and profit
Examples
A $100 bet at -110 (American)
Returns $190.91 (Profit: $90.91)
A $50 bet at 2.5 (Decimal)
Returns $125 (Profit: $75)
A $20 bet at 5/2 (Fractional)
Returns $70 (Profit: $50)
💡 Tips
- •Negative American odds indicate favorites, positive odds indicate underdogs
- •Decimal odds include your stake in the payout
- •Compare odds across different formats to understand value
🎉 Fun Facts
- •American, decimal, and fractional formats exist because different regions standardized the same probability in different ways. All three express the same implied chance.
- •The first legal sportsbooks in the United States opened in Nevada in 1949 and were known as Turf Clubs.
- •Ladbrokes is often cited as one of the oldest bookmakers still operating, with roots in the late 1800s.
- •Vig, rake, juice, and margin all refer to the bookmaker's built in fee or edge on a market.