Odds Conversion
To convert fractional odds to decimal, take the fractional number, convert it to decimal by doing the division, and then add 1. For example, the 4-to-1 fractional odds shown above is the same as 5 in decimal odds, while 1-to-4 would be quoted as 1.25.
The method for converting moneyline to decimal odds depends on whether the moneyline value is positive or negative. If positive, divide by 100 and add 1. +400 moneyline is the same as 5.0 in decimal odds. If the moneyline is negative, divide 100 by the absolute moneyline amount, then add 1. For example, -400 moneyline is 100/400 + 1 in decimal, or 1.25
| Decimal | Fractional | Moneyline | Win% (to Break Even) |
Return (minus stake) |
|---|---|---|---|---|
| 1.01 | 1/100 | -10,000 | 99.01% | 1.00% |
| 1.11 | 1/9 | -900 | 90.00% | 11.11% |
| 1.33 | 1/3 | -300 | 75.00% | 33.33% |
| 1.50 | 1/2 | -200 | 66.67% | 50.00% |
| 2.00 | 1/1 | +/-100 | 50.00% | 100.00% |
| 3.00 | 2/1 | +200 | 33.33% | 200.00% |
| 4.00 | 3/1 | +300 | 25.00% | 300.00% |
| 10.00 | 9/1 | +900 | 10.00% | 900.00% |
| 101.00 | 100/1 | +10,000 | 0.99% | 10,000.00% |
Read more about this topic: Fixed-odds Betting
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