Statistics

Moneyline Odds Calculator

Convert American moneyline odds to decimal, fractional and probability.

Calculated Output

Decimal odds 1.667

Implied probability (%) 60

Fractional (approx) 0.6667

Formula: Decimal and implied probability from American odds

Step-by-Step Breakdown

1. Values used:

2. American odds = -150

4. Decimal odds = 1.667

5. Implied probability = 60%

6. Fractional (approx) = 0.6667

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The math behind it

Positive odds: decimal = odds/100 + 1. Negative odds: decimal = 100/|odds| + 1. Implied probability = 1/decimal.

-150 gives decimal 1.667 and a 60% implied probability.

What does -150 mean?

You must bet $150 to win $100 (the favorite).