Step 3 - How to use the Calculator

-Now that you know on which sports events you should bet, you need to know how much money you should bet at Betfair.

You need to insert your odds values and bonus value in the calculator, that way, it will give you the exact amount of money to place on your lay bet at Betfair.

**Example: A football match between France and England. You have received a bonus of 50€, and at that bookmaker the odd for the victory of France is 1.25. And at Betfair, the corresponding lay odd for France is 1.30.**

**Then the calculator should look like this:**

## Result:

**Result**:

-In this case, you need to insert

**50€**on the bet slip at Betfair, and in order to place this bet you need to have

**15€**at your Betfair account, as this is the amount of money you'll be risking, this amount is shown to you by the calculator's "Betfair Balance" field. You'll lose

**2.50€**of your bonus value. Which means that once the bet is settled you will have

**62.50€**at one of the bookmakers, depending at which one you won the bet.

**-It is recommended that you place your lay bet at Betfair, in the first place.**

**-Note that, in each bet, you lose a small fraction of your bonus. According to the odds you have chosen.**