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Odds converter
American, decimal, fractional, and implied probability are the same number in four costumes. Type into any field and the others follow. Implied probability is the price the line is charging you, before any vig is stripped.
Profit on $100·
Break-even win rate·
Decimal = American > 0 ? A/100 + 1 : 100/|A| + 1 · Implied = 1 / Decimal · Fractional = (Decimal − 1) as a ratio
Market-neutral utility. It computes numbers you supply, it does not predict outcomes or guarantee profit. Compare lines across books and make the call yourself. 21+ · research, not advice.