Specialty Calculators
Asian Handicap Calculator
Work out returns on Asian handicap bets, including quarter lines that split your stake and lines that push.
Bonus Bet Calculator
Work out what a free or bonus bet is really worth, given that the stake is not returned with the winnings.
Forecast Calculator
Work out the returns and the number of bets on straight, reverse and combination forecasts, where the order of the first two matters.
Lay Bet Calculator
Work out the liability and profit on an exchange lay bet, after commission.
Matched Betting Calculator
Work out the lay stake, liability and locked result for a matched bet, from the back odds, lay odds and exchange commission.
Over/Under Calculator
Work out returns on Over and Under goal-line bets and see how many goals each line actually needs.
Poisson Calculator
Turn expected goals into scoreline and match-result probabilities using the Poisson distribution.
Teaser Calculator
Work out the returns on a teaser, where every leg's line is moved in your favour at a reduced combined price.
Tricast Calculator
Work out the returns and the number of bets on straight and combination tricasts, predicting the first three in exact order.
Specialized calculators for matched betting, bonus conversion, and Asian handicap bet resolution. These tools support advanced strategies that go beyond standard win/lose betting.
What Makes These Calculators Special
The calculators in this section address specific betting scenarios that require specialized math. Whether you are extracting value from bookmaker promotions, navigating Asian handicap markets, or calculating lay stakes for matched betting — each tool solves a particular problem that standard bet calculators cannot handle.
Matched Betting & Bonus Conversion
Matched betting is one of the few betting strategies that offers genuinely risk-free profit. It exploits the free bets and promotions that bookmakers offer to attract new customers. By combining a back bet at the bookmaker with a lay bet at an exchange, you cover all outcomes and extract a guaranteed cash value from the promotion.
Our matched betting calculators handle both the qualifying bet (the initial bet you place to unlock the promotion) and the free bet conversion (turning the free bet into withdrawable cash). They calculate the exact lay stakes and show your guaranteed profit for any odds combination.
The key metrics you need:
- Qualifying loss: The small cost of the initial bet that unlocks the free bet
- Free bet conversion rate: The percentage of the free bet value you extract as cash (typically 70-85%)
- Net profit: Your total guaranteed profit after accounting for the qualifying loss
Asian Handicap Markets
Asian handicap betting originated in Asia and removes the draw from the equation by applying goal handicaps. This creates a two-outcome market (win or lose) that typically offers better odds than traditional three-way markets.
The complexity comes from quarter-line handicaps (e.g. -0.25, -0.75) which split your stake between two adjacent lines, creating scenarios where you can half-win or half-lose. Our calculators resolve these split handicaps and show you exactly what each possible scoreline means for your bet.
Who Are These Tools For?
These tools are designed for bettors who:
- Want to profit from bookmaker sign-up offers and ongoing promotions
- Trade on betting exchanges and need precise lay stake calculations
- Bet on Asian handicap markets and want to understand quarter-line outcomes
- Follow a systematic, mathematical approach to betting rather than relying on gut instinct
Frequently Asked Questions
What is matched betting?
Matched betting is a strategy that uses bookmaker free bets and promotions to generate guaranteed profit. It works by placing a qualifying bet with a bookmaker (to unlock a free bet) and then laying the same outcome at a betting exchange to eliminate risk. When the free bet is awarded, you repeat the process — back with the free bet, lay at the exchange — to extract a guaranteed profit from the free bet value.
Is matched betting risk-free?
When done correctly, matched betting is mathematically risk-free because every bet is covered. However, there are practical risks: human error (placing the wrong bet), odds changing between placing back and lay bets, and bookmakers limiting or closing your account if they detect matched betting patterns. Following a systematic approach and double-checking every bet minimizes these risks.
What is a free bet (bonus bet) and how do I convert it to cash?
A free bet or bonus bet is a promotional offer from a bookmaker that lets you place a bet without risking your own money. If the free bet wins, you typically receive only the profit (not the stake). To convert it to cash, place the free bet on a high-odds selection and lay the same outcome at a betting exchange. Our calculator determines the optimal odds and lay stake to maximize your cash extraction, typically 70-80% of the free bet value.
What are Asian handicap bets?
Asian handicaps eliminate the draw outcome by applying a goal handicap to one team. A -0.5 handicap means the team must win outright. A -1.0 handicap means they must win by 2 or more goals. Quarter handicaps (e.g. -0.75) split your stake between two adjacent handicaps. Asian handicaps offer only two outcomes (win or lose), which typically results in better odds and lower bookmaker margins compared to traditional three-way markets.
What are quarter Asian handicaps?
Quarter handicaps (e.g. -0.25, -0.75, +1.25) split your bet equally between two whole or half handicaps. A -0.75 handicap splits your stake between -0.5 and -1.0. If the team wins by exactly 1 goal, you win the -0.5 portion and push (get your stake back) on the -1.0 portion, so you win half and draw half. This creates partial win/loss scenarios that are unique to Asian handicap betting.
How does a betting exchange work?
A betting exchange lets you bet against other bettors instead of against a bookmaker. You can either back (bet for an outcome to happen) or lay (bet against an outcome). The exchange takes a small commission on winnings (typically 2-5%). Exchanges are essential for matched betting because they allow you to lay bets. The most well-known exchanges are Betfair, Smarkets, and Betdaq.
What percentage of a free bet can I convert to cash?
Typically 70-85% of the free bet value can be converted to cash, depending on the odds available and the exchange commission rate. Higher odds on the back bet (free bet) result in a higher conversion rate but also require a larger lay liability at the exchange. Our calculator finds the optimal balance, showing you the exact lay stake needed and the guaranteed profit for any odds combination.