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BETTING TOOLS

Profit Calculator

See your profit potential in seconds. Enter your bankroll and volume to calculate exactly how much you can earn.

Profit Calculator

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Avg. Stake (1%) $0
Monthly Turnover $0
Est. Monthly Profit $0
Est. Annual Profit $0

How to Use the Profit Calculator

Curious about your earning potential? Our Profit Calculator uses a data-driven approach to estimate your monthly and annual returns based on disciplined, consistent play. By maintaining a high volume of value bets, you leverage your mathematical edge over the sportsbooks to generate long-term wealth.

Understanding the Inputs
• Total Bankroll: Your starting capital. The calculator suggests a 1% stake per bet to ensure sustainable growth and protection against variance.

• Bets per Day: The number of +EV opportunities you act on daily. Volume is the key to smoothing out the “swings” of betting.

• Betting Days / Month: How many days you actively spend placing bets.

• Expected ROI: Your average return on investment. EV Kings users often achieve a 3-5% ROI, so we have pre-filled this with a realistic 4%.

Your Earning Potential
The dashboard provides a clear look at your projected performance:

• Avg. Stake: Your calculated bet size for optimal bankroll management.

• Monthly Turnover: The total amount of money “recycled” through your bets each month.

• Est. Monthly & Annual Profit: Your projected net gains based on your specific volume and ROI.

Why use this tool?
This calculator serves as your roadmap. It visualizes how consistent volume and a small mathematical edge transform sports betting from a game of luck into a professional financial endeavor.

Ready to turn math into money? Sign up for EV Kings today and start finding the most profitable bets in the market.

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Odds Converter

Convert between American, Decimal, and Fractional odds formats instantly.

Odds Converter

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How to Use the Odds Converter

Understanding different odds formats is a fundamental skill for any serious bettor. Whether you are looking at European decimal odds, British fractions, or American moneyline prices, our Odds Converter instantly translates them into your preferred format while showing the underlying win probability.

Understanding the Inputs
Start by entering your Bet Amount to see your potential returns in real-time. You can then enter a value into any of the four odds fields. As soon as you type in one box, all other formats—and your projected payout—will update automatically.

The Different Formats
• Fraction: Represents the ratio of the profit to the stake (e.g., 1.10 profit for every 1 staked).

• Decimal: The most common international format, representing the total return (Stake x Odds).

• American: Shows how much you need to bet to win $100 (-), or how much you win on a $100 bet (+).

• Probability: The percentage chance of the outcome occurring as implied by the odds.

Why use this tool?
By converting odds to Probability, you can easily compare a bookmaker’s price against your own calculated edge. If the implied probability is lower than your predicted win percentage, you have found a positive expected value (+EV) bet.

Pro Tip: Once you have converted your odds and found your probability, head over to our EV Calculator to see exactly how much value your bet holds.

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Parlay Calculator

Calculate total payout and implied probability for your multi-leg wagers. 

Parlay Calculator

Total Odds 0.00
Total Payout $0.00

How to Use the Parlay Calculator

A Parlay (also known as an accumulator or combo bet) allows you to combine multiple individual wagers into one single bet. While these bets are higher risk because every selection must win for the ticket to pay out, they offer significantly higher returns as the odds multiply with each added leg.

Understanding the Inputs
To begin, enter your total Stake—this is the amount you wish to wager on the entire parlay. Then, enter the Odds for each individual selection in the “Parlay Legs” section. You can easily add more selections by clicking the + Add Leg button or remove them using the “X” if you change your mind.

Interpreting the Results
As you add or adjust your odds, the dashboard updates in real-time to show:
• Total Odds: The combined multiplier of all your selections.
• Total Payout: The exact amount you will receive if every leg of your parlay wins, including your original stake.

Why use this tool?
A Parlay Calculator is essential for verifying that your sportsbook is offering the correct combined price. It also helps you visualize the massive difference a single high-odds leg can make on your total payout, allowing you to manage your risk-to-reward ratio more effectively.

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No-Vig Calculator

Remove the bookmaker’s margin to find the true fair odds and actual probabilities.

No-Vig Calculator

Fair Odds (A) 0.00
Fair Win % (A) 0.00%
House Edge (Vig) 0.00%

How to Use the No-Vig Calculator

The No-Vig Calculator is essential for finding the “True Probability” of a sporting event. Bookmakers make money by adding a margin (the “vig” or juice) to their odds, meaning the prices they offer do not reflect the actual probability of the outcome. This tool strips that margin away to show you the fair market price.

Understanding the Inputs
To calculate the fair odds, you need to input both sides of a two-way market. For example, if you are looking at a Match Winner market, enter the Side A Odds for the favorite and the Side B Odds for the underdog. The calculator works with decimal odds to provide the most precise mathematical output.

Interpreting the Dashboard
Once both odds are entered, the dashboard reveals three critical metrics:

• Fair Odds (A): The true decimal odds for Side A after the bookmaker’s profit margin has been removed.

• Fair Win % (A): The statistically accurate win probability for the selection. This is the value you should use in your EV and Kelly calculators.

• House Edge (Vig): The total percentage of “tax” the bookmaker has built into this specific market.

Why use this tool?
Professional bettors use No-Vig odds from the world’s sharpest sportsbooks as a benchmark for “True Price.” By finding the fair win probability here, you can then hunt for mispriced odds at other sportsbooks to identify high-value +EV opportunities.

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Kelly Calculator

Optimize your bet sizing to grow your bankroll while minimizing risk.

Kelly Calculator​

Expected Value 0.00%
Fraction of Bankroll 0.00%
Amount to Wager $0.00

How to Use the Kelly Calculator

The Kelly Criterion is a world-renowned mathematical formula used by professional bettors to manage their bankroll. It determines the optimal stake for any given bet to ensure maximum exponential growth while strictly protecting you from the risk of going broke.

Understanding the Inputs
To get an accurate recommendation, start by entering your total Bankroll—the amount you have dedicated to your betting activity. Next, input the Odds provided by the sportsbook and your estimated Win Probability. For the best results, use the probability percentage calculated by our EV Tool to ensure you are betting with a verified edge.

Adjusting Your Risk (The Multiplier)
The Kelly Multiplier (Risk Level) field allows you to customize how aggressive you want to be. While “Full Kelly” (1.00) is mathematically optimal for growth, it is also highly volatile. Most professional bettors prefer a more conservative approach:
• 1.00 (Full Kelly): Maximum growth, but very high volatility.
• 0.50 (Half Kelly): A balanced approach that significantly reduces swings.
• 0.25 (Quarter Kelly): The default and safest setting for long-term stability.

Interpreting the Dashboard
The results are broken down into three sections. The Expected Value confirms if the bet is profitable. The Fraction of Bankroll shows the recommended percentage of your total funds to wager, and the Amount to Wager provides the exact dollar figure for your bet slip based on your current bankroll.

Tired of Crunching the Numbers?

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EV Calculator

The Expected Value (EV) Calculator shows the average profit or loss you can expect from a bet over the long run, helping you spot positive expected value (+EV) opportunities.

EV Calculator

EXPECTED VALUE
0.00%
$0.00 Profit
Numeric Example
Stake: 100
Odds: 2.10 (Decimal)
Win Probability: 52%
Result: +4.5% EV (Expected profit: 4.5 per 100 bet)

How to Use the Expected Value Calculator

The key to using the EV Calculator is finding the Win Probability (%). We analyze efficient markets by removing the bookmaker’s ‘Vig’ (their built-in margin) to reveal the true probability of an event. This ensures you compare your wager against the actual statistical likelihood, rather than a marked-up price.

Inputs & Outputs

  • Odds (Decimal): Enter the odds currently offered by your sportsbook.
  • Win Probability (%): Enter the fair win percentage. If you are unsure of the true probability, use our No-Vig Fair Odds Calculator to find the fair market percentage.
  • Wager Amount: Enter the total stake you intend to bet.
  • Expected Value (EV): If positive, you have a mathematical edge.
  • Profit: The currency value you expect to earn long-term.

Tired of Crunching the Numbers?

Stop hunting for odds. Let our software do the heavy lifting. We scan the markets 24/7 to deliver high-value bets straight to your dashboard.

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EV is a statistical guide, not a guarantee of profit. Only bet what you can afford to lose and follow responsible gambling practices.

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