Odds Converter
Convert between fractional, decimal, and American (moneyline) odds instantly. See implied probability and potential returns. Quick reference table of common odds included.
Convert between decimal, fractional, and American (moneyline) odds formats. See implied probability and calculate returns.
Enter Odds
Quick Reference
Converted Odds
Decimal
2.50
Fractional
3/2
American (Moneyline)
+150
Analysis
Implied Probability
40.00%
Return on £10 Bet
£25.00
Profit: £15.00
Formulas
Decimal = Fractional + 1
Probability = 1 / Decimal * 100
American = (Decimal - 1) * 100 (if odds > 2.0)
18+ only. Please gamble responsibly. This tool is for informational and educational purposes only and does not constitute financial or gambling advice. Gambling carries risk and you should never bet more than you can afford to lose. If you or someone you know has a gambling problem, contact the National Gambling Helpline: 0808 8020 133 or visit BeGambleAware.org for free, confidential support.
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