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The Bonus Box
Bet Calculator
Master Your Multiples with
The Bonus Box Bet Calculator
Whether you are placing a simple Single or constructing a massive Super Goliath, understanding your risk and reward is key. Our interactive engine is a specialised tool designed to show potential Net Profits and Total Stakes across all major bet types.
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The goal is simple: provide total clarity on how much you need to stake at specific odds to secure your target payout. Our calculator offers the flexibility to handle complex scenarios that basic tools miss:
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Rule 4 & Dead Heat Adjustments: See exactly how deductions or tied finishes impact your returns.
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Each Way Logic: Instantly calculate win and place parts for multiples.
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Fractional & Decimal Support: Switch between odds formats to suit your strategy.
Find the perfect bet level for your strategy and take the guesswork out of your multiples.
What is a Bet Calculator?
A bet calculator is designed to answer one of the biggest questions in sports betting: how much will I win?
This easy to use tool gives you an insight into your potential profits when betting at a sportsbook.
​Use the odds calculator to set your desired price and stake, and see what you could win if you find the right market.
You can flick between numerous bet types from simple singles to complex multiples and find a bet level that’s right for you. The Bonus Box calculator covers all bet types and conditions that you’ll find across our site. Use the betting calculator below to discover your potential profits and read on to learn more about Rule 4, Each Way, Dead Heat, and everything else you should know before betting!
How to Use the Bonus Box Bet Calculator
Follow these simple steps to calculate your potential winnings in seconds:
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Select Your Bet Type: Choose from 21 different options, including Singles, Lucky 15s, or Goliaths.
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Choose Odds Format: Toggle between Fractional (e.g., 5/1) or Decimal (e.g., 6.0) depending on your preference.
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Enter Your Stake: Type in your unit stake (the amount you want to bet per line).
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Check Your Conditions: If your bet is Each Way, subject to Rule 4, or involved in a Dead Heat, tick the relevant boxes to update the math.
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Enter Selection Details: Input the odds for each horse and select the result (Win, Place, Void, or Lose).
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Hit Calculate: View your Total Stake, Total Returns, and Net Profit instantly at the bottom of the screen.
Why Use a Bet Calculator?
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Accuracy: Manually calculating the returns on a Lucky 63 or a Heinz involves hundreds of mathematical steps; a calculator ensures you get the exact figure every time.
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Strategy Comparison: It allows you to quickly see the difference in profit between a €10 Single and a €1 Yankee, helping you manage your bankroll more effectively.
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Handling Variables: It takes the guesswork out of complex adjustments like Rule 4 deductions or Each Way place terms, showing you exactly how much the bookmaker owes you.
Understanding Betting Conditions
​Precision is the difference between a guess and a strategy. Here is how specific conditions change your payout:
What is Rule 4?
Rule 4 is a recalculation of your bet if a major favorite pulls out before an event. It is most common in horse racing, if a short odds runner withdraws, the remaining odds are theoretically inaccurate. Rule 4 applies a deduction formula to shorten everyone else's odds accordingly. You can toggle Rule 4 in our calculator to see your true return should this be enacted.
What is Each Way?
Each Way is a betting option where you split your stake in half: 50% on the ‘win’ and 50% on the ‘place’ (usually finishing 2nd, 3rd, or 4th). This covers your win bet in case your selection doesn't quite finish first. If the horse wins, you win both halves. If it only places, you win the ‘place’ half, which typically pays 1/4 or 1/5 of the win price. Simply select Each Way and enter your place terms in the calculator to see the breakdown.
What is Dead Heat?
A dead heat occurs when multiple selections win the same event simultaneously. If a single winner cannot be determined (e.g., a photo finish where three horses cross the line at once), winnings are divided by the number of winners. A two-way dead heat results in 50% of the winnings, while a three-way tie results in 33%. Our calculator features a Dead Heat (DH) dropdown to handle these specific scenarios.
Master List: Types of Bets
Our calculator supports everything from a simple "Single" to the most massive "Super Goliath"
Single: A bet on one outcome.
Double / Treble: All selections must win for the bet to pay out.
Accumulator: Multiple selections combined into one single bet.
Trixie: 4 bets: 3 doubles and 1 treble.
Yankee: 11 bets: 6 doubles, 4 trebles, and 1 fourfold.
Patent: 7 bets: 3 singles, 3 doubles, and 1 treble.
Lucky 15: 15 bets: 4 singles, 6 doubles, 4 trebles, 1 fourfold.
Heinz: 57 bets: 15 doubles, 20 trebles, 15 fourfolds, 6 fivefolds, 1 sixfold.
Goliath: 247 bets: 28 doubles, 56 trebles, 70 fourfolds, 56 fivefolds, 28 sixfolds, 8 sevenfolds, 1 eightfold.
Super Goliath: 255 bets: Adds 8 singles to the standard Goliath structure.