Decimal Odds Calculator

Your details

The odds as shown on European and Australian sportsbooks. Must be greater than 1.00. Even money is 2.00.
The amount you plan to wager.
USD
Optional: enter your own assessed probability to see whether the bet offers positive or negative expected value.
%
Implied ProbabilityNear even money
40%

The break-even win rate built into the odds

Profit (if win)150USD
Total Payout (if win)250USD
American (Moneyline) Odds+150
Fractional Odds3/2
40 %
Long shot<20Underdog20-40Even money40-60Favourite60-80Heavy favourite80+

Decimal odds of 2.50 imply a 40.0% win probability.

  • At 2.50, the sportsbook implies a 40.0% chance of winning.
  • A 100.00 USD stake returns 150.00 USD profit, or 150.0% of your stake, if the bet wins.
  • Enter your own probability estimate to check whether this bet has a positive or negative expected value.
  • Decimal odds always include your stake in the payout, so odds of 1.00 would mean no profit at all.

Next stepCompare the implied probability against your own assessment to find bets with a genuine edge before committing a stake.

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