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Both calculators run independently β€” change the inputs on either side to compare results.

Betting Odds

American to Decimal Odds Converter

Convert American moneyline odds (e.g. +150 or -110) into decimal odds, fractional odds, and implied probability. Use this when comparing lines across sportsbooks or calculating exact payouts for a bet.

Fill in the required fields to see your result.
Betting Odds

Implied Probability Calculator

Convert betting odds into implied probability percentages across decimal, American, and fractional formats. Use it to spot value bets when your estimated probability exceeds the bookmaker's implied probability.

Fill in the required fields to see your result.

Key differences

American to Decimal Odds ConverterImplied Probability Calculator
CategoryBetting OddsBetting Odds
Inputs required22
ResultTotal Payout ($)Implied Probability (%)
What it doesConvert American moneyline odds (e.g. +150 or -110) into decimal odds, fractional odds, and implied probability. Use this when comparing lines across sportsbooks or calculating exact payouts for a bet.Convert betting odds into implied probability percentages across decimal, American, and fractional formats. Use it to spot value bets when your estimated probability exceeds the bookmaker's implied probability.