Odds Converter
Convert between decimal, fractional and American odds formats instantly
Odds Converter
Convert between decimal, fractional, American and probability formats
0 of 3 free calculations used today
Today0/3💡 Tip: Decimal odds are the easiest to use for calculating returns and comparing value. Multiply your stake by the odds to know your total return.
Odds Formats Explained
Decimal Odds (Europe)
Most common in Europe. Shows total return including stake. Odds of 2.50 means €2.50 return for every €1 wagered (€1.50 profit).
Fractional Odds (UK)
Traditional UK format. 3/2 means €3 profit for every €2 wagered. The number on the left is potential profit, right is stake.
American Odds (US)
Positive (+150) shows profit on €100 stake. Negative (-200) shows stake needed to win €100. +150 = 2.50 decimal.
Implied Probability
Every odds represents a probability. Decimal 2.00 = 50% probability. Lower odds = higher probability. Always compare implied probability with your estimate to find value.
Quick Conversion Table
| Decimal | Fractional | American | Probability |
|---|---|---|---|
| 1.50 | 1/2 | -200 | 66.7% |
| 2.00 | 1/1 | +100 | 50% |
| 3.00 | 2/1 | +200 | 33.3% |
| 5.00 | 4/1 | +400 | 20% |
Pro Tips
- ✓Always work in decimal for easier calculations and value comparison
- ✓Implied probability helps you quickly spot value bets
- ✓Remember bookmaker margin - real probabilities sum to 100%, implied don't
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