Calculating Payouts From Fractional Odds

Fractional odds have been used in bookmaking primarily in the United Kingdom. They have been more or less replaced by decimal odds in recent years, but a lot of bookmakers and bettors still prefer this format. Although this odds format is often considered more complicated than the decimal or moneyline format, the calculations required for working out potential profits and payouts is actually reasonably straightforward.

We provide the necessary calculations on this page, along with some examples to highlight how it works in practice. We also include a chart listing some of the more commonly-used fractional odds, with the associated profits and payouts.

Calculation Required

The calculation you need to know to work out the potential profit of a wager using fractional odds is as follows:

Fractional Odds Potential Payout Equation

For the total potential payout, you just add your initial stake to the potential profit.

Using this Calculation

The two examples below show how this calculation works.

Fractional Odds Calculation Equations

Fractional Odds Payout Chart

The following chart shows some of the most frequently used fractional odds, along with their respective profits and total payouts based on a $10 stake.

Odds Potential Profit Potential Payout Odds Potential Profit Potential Payout
1/1 (Evens) $10.00 $20.00 10/11 $9.09 $19.09
11/10 $11.00 $21.00 4/5 $8.00 $18.00
5/4 $12.50 $22.50 8/11 $7.27 $16.27
6/4 $15.00 $25.00 4/6 $6.67 $16.67
7/4 $17.50 $27.50 5/8 $6.25 $16.25
2/1 $20.00 $30.00 4/7 $5.71 $15.71
5/2 $25.00 $35.00 1/2 $5.00 $15.00
11/4 $27/50 $37/50 4/9 $4.44 $14.44
7/2 $35.00 $45.00 2/5 $4.00 $14.00
10/1 $100.00 $110.00 1/3 $3.33 $13.33