The Martingale betting system is a bold strategy designed to recoup betting losses. Gaming Today’s Martingale Calculator can help solidify this strategy if it appeals to you.
This is a negative progression system, which requires you to increase your bet size after each loss.
In theory, you will eventually wipe out all previous losses with a single win.
Martingale Calculator
- Bet Amount: This section allows you to enter the amount lost on your last bet.
- Loss Amount: Alternatively, you can enter all previous losses in this section.
- American Odds: Type in the odds available on your next pick. You can enter the American odds, such as -110 or +125, and you will see them displayed in various other formats, including the decimal and fractional formats.
- Implied Probability: This highlights the implied likelihood of your pick succeeding based on the odds available.
- Next Bet: This section tells you how much you need to wager on your next pick if you aim to wipe out your previous losses in one fell swoop.
How To Use the Martingale Calculator
Follow these steps to put the Martingale Calculator to use:
Gather information to determine how much money you have lost on previous bets.
Enter the details of previous losses in the “Bet Amount” and/or “Loss Amount” sections.
Come up with your next pick and find the best available odds. Enter those odds in the “American odds” section.
You will see the odds converted to the decimal, fractional, Hong Kong, Indonesian, and Malay formats, along with the implied probability of the bet succeeding.
The “Next Bet” section will display the amount you should wager on your next pick if you follow the Martingale betting system. If that bet wins, it will claw back all of the previous losses that you sustained.
Where to Use Martingale Betting System
You can test the Martingale strategy with upcoming wagers at any sportsbook. BetMGM is one of the top options for bettors who enjoy sportsbook rewards programs and very competitive odds.
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Martingale Calculation Example
Here is a hypothetical situation you might find yourself in:
- Seeking a sportsbook bonus, you placed a $20 bet on the New York Jets to cover the spread against the Tennessee Titans, but the wager was unsuccessful.
- To recoup the money you lost on that pick, you wagered $22 on the Baltimore Ravens to cover the spread against the Las Vegas Raiders at odds of -110.
- However, the Ravens failed to cover the spread, costing you $42 in total now.
- Your next pick is on the New England Patriots to cover against the Seattle Seahawks, and the best odds available are -110.
In that situation, you can use the Martingale calculator to determine precisely how much to wager on the Patriots to recoup your $42 loss. Follow these steps:
- Enter “22” in the “Bet Amount” section, as you lost $22 on your last bet.
- Type “20” in the “Loss Amount” box, as you were previously down $20.
- Alternatively, you can skip the “Bet Amount” section and type “42” in the “Loss Amount” box, which will produce the same result.
- Type in -110 in the American odds section. You will see that your pick has a 52.38% implied probability of success.
The calculator will tell you to wager $46.20 on New England to cover the spread at odds of -110. If the Patriots cover, you will earn a $42 profit, erasing your previous losses.
Let’s say the Patriots also fail to cover, leaving you down $88.20 overall. You are still keen to pursue the Martingale system, so you come up with a fourth pick: the Philadelphia Eagles to cover the spread at odds of -105 against the New Orleans Saints.
Follow these steps to determine how much to risk on the Eagles:
- Type “46.20” into the “Bet Amount” section and “42” into the “Loss Amount” section.
- Alternatively, type “88.20” into the “Loss Amount” box.
- Enter -105 in the American odds section, which leaves you with an implied probability of 51.22%.
The Martingale calculator will tell you to wager $92.61 on the Eagles at -105. If they cover, you will earn a profit of $88.20, allowing you to recoup all previous losses.
Legal Betting States for Martingale Wagers
Sports betting apps are now legal in 30 U.S. states, plus Puerto Rico and the District of Columbia.
Here are some examples of legal sports betting states where you can legally try out the Martingale strategy.
Massachusetts
The Bay State introduced legal online sports betting in 2023. There are now seven legal Massachusetts betting apps. The likes of BetMGM and FanDuel offer very high betting limits, so they could be suitable for anyone interested in testing out the Martingale betting system.
North Carolina
The country’s leading online sportsbooks quickly expanded into North Carolina after the regulated industry began in 2024. BetMGM and bet365 are among the best NC online sportsbooks for anyone following the Martingale strategy.
Ohio
Ohio sports bettors can use the Martingale system at a wide range of legal online sportsbooks, including DraftKings, FanDuel, BetMGM, and BetRivers. Make sure you set aside a large bankroll if you intend to pursue this strategy.
More Sports Betting Tools Like the Martingale Calculator
Do you require additional tools to help optimize your upcoming wagers? Check out Gaming Today’s other premier betting calculators in the table below.
| 🛠️ Sports Betting Tools | 💡 How it Works |
|---|---|
| 3-Way No Vig Calculator | For events where a tie is possible (like soccer), the three-way fair odds calculator eliminates the vig and presents the odds as a percentage (implied probability) to better clarify the three options. |
| Arbitrage Calculator | This calculator will help you determine if betting on two different sides on the same match on two different sportsbooks will move the odds to give you a guaranteed profit. |
| Fair Odds Calculator | This one also strips out the vig from the odds, but designed for two possible results: win or lose. |
| Futures Calculator | Determine implied probability based on all futures odds for a given sport. |
| Implied Probability Calculator | Implied probability is simply the American odds presented as a percentage rather than plus (+) and minus (-) lines. |
| Kelly Criterion Calculator | Calculate how much of your bankroll you should bet based on the probability of winning an outcome. |
| Moneyline Calculator | The most straightforward calculator of them all. Simply enter your odds and the wager, and see the potential win. |
| NFL Prop Bet Calculator | An NFL prop bet calculator attempts to find the fair price for a large number of props based on a limited number of inputs. |
| NFL Spread Calculator | This tool will help you compare spreads at different sportsbooks to determine the better bet. |
| Odds Calculator | An automated way to convert a form of odds into a different form. For example, American odds to decimal or fractional odds. |
| Parlay Calculator | Before you place a parlay bet, use the parlay calculator to ensure you’re taking a higher risk for a worthwhile win potential. |
| ROI Calculator | Calculate the projected gains from a bet versus the total cost of the bet to determine your potential return on investment (ROI). |
| Super Bowl Squares | Online super bowl squares or football squares with friends (no accounts needed). |
Martingale Calculator FAQ
The Martingale betting system is a negative progression strategy that requires you to double your bet size after each loss. The idea is that you will eventually recoup any previous losses with a single win. Casino players predominantly use the Martingale betting system, which can also be applied to sports betting.
Theoretically, the Martingale betting system works, allowing you to erase any previous losses with a single win. However, in practice, the Martingale system would only work if you had unlimited funds, infinite time, and no betting limits. It also requires you to place very large wagers after going on a losing streak, which can make some bettors uneasy.
You should use the Martingale Calculator to determine how much to risk on your next pick after suffering a loss. The calculator will tell you how much you need to wager to claw back your previous loss according to the odds of your pick.
The basic premise of the Martingale system is that you simply keep doubling your bet until you win. This works in theory. However, it is not always practical, as you may run out of money or may need to exceed a sportsbook’s betting limits in order to keep the system going.
Yes, the Martingale strategy is perfectly legal. Online sportsbooks and casinos have no problem with you doubling your bet size after each loss. However, this risky strategy requires a large bankroll and a sportsbook with high betting limits.
The Martingale strategy is a negative progression system that does not capitalize upon winning streaks. It is a very aggressive approach, especially compared to alternative systems, such as the D’Alembert strategy. The Martingale requires you to place large bets if you sustain several consecutive losses, which can be daunting for some bettors.
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