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Percent to Moneyline Calculator

Moneyline Conversion Formulas:

\[ \text{If } P > 50\%: \text{Moneyline} = -\frac{100}{(P/100 - 0.5)} \times 0.5 \] \[ \text{If } P < 50\%: \text{Moneyline} = +\frac{100}{(0.5 - P/100)} \times 0.5 \]

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1. What is a Percent to Moneyline Calculator?

Definition: This calculator converts win probability percentages into moneyline odds used in sports betting.

Purpose: It helps bettors and analysts understand how win probabilities translate to American odds format.

2. How Does the Calculator Work?

The calculator uses different formulas for favorites and underdogs:

\[ \text{If } P > 50\%: \text{Moneyline} = -\frac{100}{(P/100 - 0.5)} \times 0.5 \] \[ \text{If } P < 50\%: \text{Moneyline} = +\frac{100}{(0.5 - P/100)} \times 0.5 \]

Where:

3. Importance of Moneyline Conversion

Details: Understanding the relationship between probabilities and odds helps identify value bets and proper bankroll management.

4. Using the Calculator

Tips: Enter the win probability as a percentage (between 0.1% and 99.9%). The calculator will automatically determine if it's a favorite or underdog situation.

5. Frequently Asked Questions (FAQ)

Q1: Why different formulas for favorites and underdogs?
A: The formulas account for the different ways positive and negative moneylines represent implied probabilities.

Q2: What does a +150 moneyline mean?
A: +150 means a $100 bet would win $150 (total return $250) if the underdog wins.

Q3: What does a -200 moneyline mean?
A: -200 means you need to bet $200 to win $100 (total return $300) if the favorite wins.

Q4: How accurate are these conversions?
A: They provide approximate equivalents. Real-world odds include the bookmaker's vig (overround).

Q5: What about exactly 50% probability?
A: This would convert to +100/-100 (even money), but the calculator requires values between 0.1% and 99.9%.

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