๐ฐ Betting Odds Calculator
Enter decimal odds and this tool converts them to fractional odds and American odds, calculates the implied probability, and shows the payout and profit for a given stake. Handy for understanding odds formats used on overseas bookmaker sites, or for checking expected value.
How to use
- Enter the decimal odds (e.g. 2.50).
- Enter your stake amount.
- The fractional odds, American odds, implied probability, and payout are calculated automatically.
FAQ
What are decimal odds?
A format widely used in Europe that shows the total payout multiplier relative to the stake. For example, at 2.50 odds, a ยฅ1000 stake pays out ยฅ2500 (including the original stake) if it wins.
What is implied probability?
The probability of winning implied by the odds, calculated as 1 รท decimal odds ร 100. This is a theoretical value that doesn't account for the bookmaker's built-in margin (the overround).
What do the plus and minus signs in American odds mean?
A plus sign shows the profit earned on a ยฅ100 stake, while a minus sign shows the stake needed to earn a ยฅ100 profit.