Calculate your lay stake, qualifying loss, and free bet profit in seconds. Built for Australian bookmakers.
⚡A qualifying bet is placed to unlock a free bet offer. You'll take a small loss here to set up the guaranteed profit from the free bet.
Back bet (bookmaker)
Lay bet (exchange)
Live results
Lay stake
$0.00
Lay liability
$0.00
Qualifying loss
$0.00
Coverage efficiency0%
✦Enter your free bet details below. The calculator will tell you exactly how much profit you'll lock in regardless of the outcome.
Free bet details
Exchange details
Profit breakdown
Lay stake
$0.00
Lay liability
$0.00
Guaranteed profit
$0.00
If back wins
$0.00
If lay wins
$0.00
% of free bet
0%
Free bet conversion rate0%
Active Australian offers
AllTABSportsbetLadbrokesPointsbetNedsBlueBet
Bookmaker
Offer
Free bet value
Est. profit
Status
Sportsbet
Bet $50 get $50
$50
+$38–42
Active
Ladbrokes
Bet $20 get $40
$40
+$30–34
Active
Neds
Bet $10 get $30
$30
+$22–26
Active
TAB
Bet $50 get $50
$50
+$38–42
Verify
BlueBet
Bet $200 get $200
$200
+$150–170
Active
Pointsbet
Bet $25 get $25
$25
+$18–21
Used
Unibet
Bet $30 get $30
$30
+$22–26
Active
⚠Always verify offer terms directly with each bookmaker before placing bets. Offers change frequently and may have minimum odds or sport restrictions.
01
Find an offer
A bookmaker offers "Bet $50 get a $50 free bet." Sign up and place the qualifying bet.
02
Cover the qualifying bet
Lay the same selection on a betting exchange (Betfair). You take a small qualifying loss — typically $2–5.
03
Use the free bet
Place your free bet on a high-odds selection and lay it on the exchange. Lock in 75–85% of the free bet as profit.
Example walkthrough
Step
Action
Amount
Result
1
Back bet at Sportsbet
$50 at odds 3.50
Win $125 or lose $50
2
Lay bet on Betfair
$48.40 at odds 3.60
Qualifying loss: ~$3.20
3
Free bet placed
$50 SNR at odds 5.00
Win $200 or $0
4
Lay free bet on Betfair
$38.10 at odds 5.10
Profit: ~$38 guaranteed
✦Matched betting is not gambling — you're exploiting the mathematical certainty of covering both outcomes. It's 100% legal in Australia. Most people extract $500–$2,000+ from welcome offers alone.
Key terms
Back bet
Placing a bet at the bookmaker that a selection will win
Lay bet
Betting against a selection on an exchange — you act as the bookmaker
SNR free bet
Stake Not Returned — you only keep winnings, not the free bet stake
SR free bet
Stake Returned — better value, you keep winnings plus the free bet stake
Lay liability
The amount you must have in your exchange account to cover the lay bet
Qualifying loss
The small loss taken on the qualifying bet — the cost of unlocking the free bet