Odds Converter & Payout Calculator
Type odds in any box and the others update. Add a stake to see your payout.
Implied probability is the win chance the odds suggest, including the sportsbook's margin. Example: -110 means risk $110 to win $100.
Common odds conversions
| American | Decimal | Fractional | Implied probability |
|---|---|---|---|
| -300 | 1.33 | 1/3 | 75.0% |
| -200 | 1.50 | 1/2 | 66.7% |
| -150 | 1.67 | 2/3 | 60.0% |
| -110 | 1.91 | 10/11 | 52.4% |
| +100 | 2.00 | 1/1 | 50.0% |
| +150 | 2.50 | 3/2 | 40.0% |
| +200 | 3.00 | 2/1 | 33.3% |
| +300 | 4.00 | 3/1 | 25.0% |
| +500 | 6.00 | 5/1 | 16.7% |
Odds converter FAQ
How do I convert American odds to decimal?
For positive American odds, divide by 100 and add 1 (+150 becomes 2.50). For negative odds, divide 100 by the number without the minus sign and add 1 (-150 becomes 1.67).
What is implied probability?
The win chance a price suggests, including the bookmaker's margin. Decimal odds of 2.00 imply 50%. -110 implies about 52.4%.
What does -110 mean?
You risk $110 to win $100. Your total payout on a win is $210, which includes your stake back.
What does +200 mean?
You risk $100 to win $200. In decimal odds that is 3.00, and in fractional odds it is 2/1.
Turn odds into an edge
ChalkEdge compares every price with Pinnacle's fair odds to flag +EV bets across tennis, esports, KBO, NPB, table tennis, UFC, cricket and darts.