Table of Contentsâ–¼
Real-time Conversion
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Interactive Odds Converter
Odds Conversion Table
Reference table for common odds conversions across all formats.
| Fractional | Decimal | American | Implied Probability (%) |
|---|---|---|---|
| 1/10 | 1.10 | -1000 | 90.91% |
| 1/2 | 1.50 | -200 | 66.67% |
| 1/1 | 2.00 | +100 | 50.00% |
| 6/5 | 2.20 | +120 | 45.45% |
| 3/2 | 2.50 | +150 | 40.00% |
| 2/1 | 3.00 | +200 | 33.33% |
| 5/2 | 3.50 | +250 | 28.57% |
| 3/1 | 4.00 | +300 | 25.00% |
| 4/1 | 5.00 | +400 | 20.00% |
| 10/1 | 11.00 | +1000 | 9.09% |
What Are Betting Odds?
Different odds formats represent the same probability in different display styles.
Fractional Odds (UK Format)
Shows potential profit relative to your stake.
Example: 3/2 = 3 profit for every 2 staked
Decimal Odds (European)
Represents total return including your stake.
Example: 2.50 = 25 return for 10 stake
American Odds (Moneyline)
Positive odds show profit on 100 stake, negative odds show required stake to win 100.
+150 = 150 profit on 100 | -150 = 150 stake for 100 profit
Implied Probability
Estimated chance according to odds: (1 / Decimal) * 100.
2.00 decimal = 50% implied probability
How to Convert Betting Odds - Video Guide
Watch a quick explanation of converting between odds formats.
What You'll Learn:
- • Converting between fractional, decimal and American odds
- • Calculating implied probability
- • Understanding the formulas
- • Practical betting examples
Odds Conversion FAQ
Common questions about converting between odds formats.
How do you convert odds to probability percentages?â–¼
Probability (%) = (1 / Decimal Odds) * 100.
How do you convert probability percentages to odds?â–¼
Decimal Odds = 100 / Probability (%).
How do you convert American odds to decimal?â–¼
Positive: (odds / 100) + 1. Negative: (100 / abs(odds)) + 1.
How do you convert fractional odds to decimal?â–¼
Decimal = (numerator / denominator) + 1.
What's the difference between decimal and fractional odds?â–¼
Only the display format changes. The payout is equivalent.
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