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Sports Betting Odds Converter

Convert betting odds between fractional (5/2), decimal (3.5), American (+250/−150) and implied probability. Calculate potential payout for any stake amount.

All FormatsInstant
📥 Enter Odds

Enter odds in any format below — all other formats update automatically.

Decimal odds = potential return per ₹1 staked (includes stake)
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Fractional odds = profit per stake (e.g. 5/2 = win ₹5 for every ₹2 staked)
+250: profit ₹250 on ₹100 stake. −150: stake ₹150 to profit ₹100.
⚠️ Responsible Gambling: This tool is for understanding odds formats only. Only gamble with money you can afford to lose. Gambling can be addictive — seek help if needed.
📊 Conversion Results
Implied Probability
28.6%
Chance of winning implied by these odds
3.50
Decimal
5/2
Fractional
+250
American
28.6%
Implied Probability
Payout Calculator
Quick Reference — Common Odds
DecimalFractionalAmericanProbability