Back / Lay Calculator
Calculate your lay stake and Betfair liability for any matched bet.
Use this mode for qualifying bets, wagering bets, mug bets, arbitrage bets, or any other bets that use your cash balance.
Most bonus bets are Stake Not Returned (SNR). The bonus bet stake is not included in any winnings. The best returns with this type of bonus are at higher odds.
Stake Returned bonuses are rare but valuable. They can be used at lower odds and will have higher returns than SNR bonuses.
Back Bet
$
Lay Bet (Betfair)
Most Betfair markets have 6% commission by default but it can vary. Click on the Rules button to confirm the commission rate of any market you bet on.
%
RESULTS
Lay Stake
$0.00
This is the stake you should use on Betfair to ensure an equal outcome no matter what happens in the event.
Betfair Liability
$0.00
This is the amount that you need in your Betfair account to place this bet. If the selection you are laying wins the event you will lose this amount on Betfair but win at the bookie.
If back bet wins
$0.00
If lay bet wins
$0.00
Total P&L
$0.00
% Return
0.00%
Enter your back stake and odds above to get started. Lay odds should be as close to back odds as possible.