Odds Converter
Convert between decimal, fractional, American odds and implied probability
How to Use
Enter odds in any format and see instant conversions to all other formats. The odds converter supports:
- Decimal Odds: Used worldwide, especially in Europe (e.g., 2.50)
- Fractional Odds: Traditional UK format showing potential profit relative to stake (e.g., 6/4)
- American Odds: Popular in the US, showing potential profit on £100 stake or stake needed to win £100 (e.g., +150 or -200)
- Implied Probability: Shows the likelihood as a percentage (e.g., 40%)
Bet Calculators
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Sports: How Bet Credits work
- Min Deposit £5
- Expiry 30 days
- Min Odds 1/5 (1.20)
Bet £10 & Get £30 in Free Bets for new customers at bet365.
Min deposit requirement. Free Bets are paid as Bet Credits and are available for use upon settlement of bets to value of qualifying deposit. Min odds, bet and payment method exclusions apply. Returns exclude Bet Credits stake. Time limits and T&Cs apply. Registration required.
#AD - The bonus code BET247 can be used during registration, but does not change the offer amount in any way.
Understanding Betting Odds Formats
Our Odds Converter instantly translates between the four major betting odds formats used by bookmakers worldwide. Whether you're comparing odds across platforms, calculating potential payouts, or learning about different formats, this tool provides accurate conversions in real-time.
Decimal Odds
Popular in Europe, Australia, and Canada, decimal odds represent the total return including your stake.
Fractional Odds
Traditional UK format showing potential profit relative to stake, common in horse racing.
American Odds
Used in the US, showing profit on $100 stake (+) or stake needed to win $100 (-).
Formula (-): Profit = Stake × (100 ÷ |Odds|)
Implied Probability
Represents the bookmaker's assessment of outcome likelihood, used to identify value bets.
How to Use the Odds Converter
- Enter odds in any format field (decimal, fractional, American, or probability)
- See instant conversions to all other formats automatically
- Use the Reset button to clear all fields and start again
Our converter provides real-time translations as you type, with no need to press a conversion button. Simply enter odds in your preferred format, and see equivalent values in all other formats instantly.
Common Odds Conversion Examples
| Decimal | Fractional | American | Probability | Scenario |
|---|---|---|---|---|
| 2.00 | EVS | +100 | 50% | Coin toss |
| 1.50 | 1/2 | -200 | 66.67% | Strong favorite |
| 3.00 | 2/1 | +200 | 33.33% | Underdog |
| 1.91 | 10/11 | -110 | 52.36% | Typical spread bet |
| 11.00 | 10/1 | +1000 | 9.09% | Longshot |
Practical Applications
Compare Bookmakers
Convert odds from different bookmakers to your preferred format for easy comparison and to find the best value.
Calculate Potential Returns
Quickly determine potential payouts across different odds presentations to better manage your bankroll.
Identify Value Bets
Use implied probability to spot opportunities where your assessment differs from the bookmaker's.
International Betting
Navigate different odds formats when betting on international markets or using offshore bookmakers.
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