How to use the calculator. To work out the return on any bet, simply enter the Odds and the Stake. For example, if you were betting £100 on a 9-4 chance, enter.
To compute your $2 win price, take the odds of your horse and multiply the first number by 2, divide that by the second 4/5, 7/2.
There are two ways odds – or prices – are displayed at racecourses in Britain: the to the betting market, this will be displayed as JF, meaning joint-favourite. You will appreciate it is not affordable for bookmakers to pay out on all four places.