Betting Odds Calculator & Converter

American Decimal Fractional Probability

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Enter American odds (e.g. -110, +200)

American

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Decimal

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Fractional

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Implied Probability

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Payout Calculator

Wager $

To Win—

Total Payout—

American Odds: Negative (-110) means favorite — bet that amount to win $100. Positive (+200) means underdog — bet $100 to win that amount.

Decimal Odds: Your total payout per $1 wagered. Odds of 2.50 mean a $10 bet returns $25 total ($15 profit + $10 stake).

Fractional Odds: Show profit relative to stake. Odds of 3/1 mean $3 profit for every $1 bet.

Implied Probability: The real percentage chance the odds represent. Compare this to your own estimate to find value bets.