Odds Converter
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Enter Your Odds (Converts Automatically)
| Fraction | Decimal | American (Moneyline) | Implied Probability |
|---|---|---|---|
| % |
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Odds Conversion Table
| Fraction | Decimal | American (Moneyline) | Implied Probability |
|---|---|---|---|
| 1⁄100 | 1.01 | -10000 | 99% |
| 1⁄5 | 1.2 | -500 | 83.3% |
| 2⁄9 | 1.22 | -450 | 81.8% |
| 1⁄4 | 1.25 | -400 | 80% |
| 2⁄7 | 1.29 | -350 | 77.8% |
| 3⁄10 | 1.3 | -333.3 | 76.9% |
| 1⁄3 | 1.33 | -300 | 75% |
| 4⁄11 | 1.36 | -275 | 73.3% |
| 2⁄5 | 1.4 | -250 | 71.4% |
| 4⁄9 | 1.44 | -225 | 69.2% |
| 1⁄2 | 1.5 | -200 | 66.7% |
| 8⁄15 | 1.53 | -187.5 | 65.2% |
| 4⁄7 | 1.57 | -175 | 63.6% |
| 8⁄13 | 1.62 | -162.5 | 61.9% |
| 4⁄6 | 1.67 | -150 | 60% |
| 8⁄11 | 1.73 | -137.5 | 57.9% |
| 4⁄5 | 1.8 | -125 | 55.6% |
| 5⁄6 | 1.83 | -120 | 54.5% |
| 10⁄11 | 1.91 | -110 | 52.4% |
| 1⁄1 (evens) | 2 | +100 | 50% |
| 21⁄20 | 2.05 | +105 | 48.8% |
| 11⁄10 | 2.1 | +110 | 47.6% |
| 23⁄20 | 2.15 | +115 | 46.5% |
| 6⁄5 | 2.2 | +120 | 45.5% |
| 5⁄4 | 2.25 | +125 | 44.4% |
| 11⁄8 | 2.38 | +137.5 | 42.1% |
| 7⁄5 | 2.4 | +140 | 41.7% |
| 6⁄4 | 2.5 | +150 | 40% |
| 8⁄5 | 2.6 | +160 | 38.5% |
| 13⁄8 | 2.62 | +162.5 | 38.1% |
| 7⁄4 | 2.75 | +175 | 36.4% |
| 9⁄5 | 2.8 | +180 | 35.7% |
| 15⁄8 | 2.88 | +187.5 | 34.8% |
| 2⁄1 | 3 | +200 | 33.3% |
| 11⁄5 | 3.2 | +220 | 31.2% |
| 9⁄4 | 3.25 | +225 | 30.8% |
| 12⁄5 | 3.4 | +240 | 29.4% |
| 5⁄2 | 3.5 | +250 | 28.6% |
| 13⁄5 | 3.6 | +260 | 27.8% |
| 11⁄4 | 3.75 | +275 | 26.7% |
| 3⁄1 | 4 | +300 | 25% |
| 16⁄5 | 4.2 | +320 | 23.8% |
| 10⁄3 | 4.33 | +333.3 | 23.1% |
| 7⁄2 | 4.5 | +350 | 22.2% |
| 4⁄1 | 5 | +400 | 20% |
| 9⁄2 | 5.5 | +450 | 18.2% |
| 5⁄1 | 6 | +500 | 16.7% |
| 11⁄2 | 6.5 | +550 | 15.4% |
| 6⁄1 | 7 | +600 | 14.3% |
| 13⁄2 | 7.5 | +650 | 13.3% |
| 7⁄1 | 8 | +700 | 12.5% |
| 15⁄2 | 8.5 | +750 | 11.8% |
| 8⁄1 | 9 | +800 | 11.1% |
| 9⁄1 | 10 | +900 | 10% |
| 10⁄1 | 11 | +1000 | 9.1% |
| 11⁄1 | 12 | +1100 | 8.3% |
| 12⁄1 | 13 | +1200 | 7.7% |
| 13⁄1 | 14 | +1300 | 7.1% |
| 14⁄1 | 15 | +1400 | 6.7% |
| 15⁄1 | 16 | +1500 | 6.2% |
| 16⁄1 | 17 | +1600 | 5.9% |
| 18⁄1 | 19 | +1800 | 5.3% |
| 20⁄1 | 21 | +2000 | 4.8% |
| 25⁄1 | 26 | +2500 | 3.8% |
| 33⁄1 | 34 | +3300 | 2.9% |
| 50⁄1 | 51 | +5000 | 2% |
| 66⁄1 | 67 | +6600 | 1.5% |
| 100⁄1 | 101 | +10000 | 1% |
| 1000⁄1 | 1001 | +100000 | 0.1% |
Format Definitions – Odds and Probabilities
There are 3 methods of stating odds that most bookmakers and websites support.
Implied Probability is also useful when evaluating a bet or checking how likely an outcome is.
- Fractions
- Used primarily in the UK and Ireland, fractions quote the potential profit should the bet succeed relative to the stake. For example, if £5 is bet at odds of 2⁄1 the potential profit is £10 (£5 * 2) and the total returned is £15 (£10 plus the £5 stake).
- Decimals
- Decimals quote the potential return should the bet succeed relative to the stake. For example, if £5 is bet at odds of 3 the total returned is £15 (£5 * 3) the potential profit is £10 (£5 * 3 minus the £5 stake).
- American – Moneyline
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- Positive figures: The odds state the winnings on a £100 bet e.g. american odds of 110 would win £110 on a £100 bet.
- Negative figures: The odds state how much must be bet to win £100 profit e.g. american odds of -120 would win £100 on a £120 bet.
- Implied Probability
- Odds correlate to probability e.g a 3⁄1 bet is expected to win one in every 4 attempts. Hence the probability is 25%.
How to Convert Odds and Probabilities – FAQ
- Decimal – 1 divided by the decimal odds, multiplied by 100 to give a percentage e.g. decimal odds of 2 = (1⁄2) * 100 = 50%.
- Fraction – 1 divided by (the fractional odds plus 1), multiplied by 100 to give a percentage. e.g. fractional odds of 3⁄1 = (1 / ((3⁄1) + 1)) * 100 = 25%.
- American:
- Positive odds – 100 divided by (the american odds plus 100), multiplied by 100 to give a percentage e.g. american odds of 150 = (100 / (150 + 100)) * 100 = 40%.
- Negative odds – Firstly multiply the american odds by -1 and use the positive value in the following formula: american odds divided by (the american odds plus 100), multiplied by 100 to give a percentage e.g. american odds of -300 = (300/(300+100)) * 100 = 75%.
- Decimal – 1 divided by (the percentage divided by 100) e.g. a probability of 50% = 1 / (50 / 100) = 2.
- Fraction – (1 divided by (the percentage divided by 100)) minus 1 e.g. a probability of 25% = (1 / (25 / 100)) – 1 = 3 = 3⁄1.
- American:
- Positive odds – (100 divided by (the percentage divided by 100)) minus 100 e.g. a probability of 10% = (100 / (10 / 100)) – 100 = 900.
- Negative odds – The probability divided by (1 minus (the probability divided by 100)) then multiply by -1 to convert into a negative e.g. a probability of 60% = (60 / (1 – (60⁄100))) * -1 = -150.
- Positive odds – 1 plus (the american odds divided by 100) e.g. american odds of 300 = 1 + (300⁄100) = 4.
- Negative odds – 1 minus (100 divided by the american odds) e.g. american odds of -300 = 1 – (100/-300) = 1.333.
- Positive odds – The american odds divided by 100 e.g. american odds of 300 = 300⁄100 = 3⁄1.
- Negative odds – Minus 100 divided by the american odds e.g. american odds of -300 = -100/-300 = 1⁄3.
Add 1 to the fractional representation e.g. a fractional value of 3⁄1 = (3⁄1) + 1 = 4.
- Positive american odds – The fractional value multiplied by 100 e.g. a fractional odds of 3⁄1 = (3⁄1) * 100 = 300.
- Negative american odds – Negative 100 divided by the fractional odds e.g. a fractional value of 1⁄5 = -100 / (1⁄5) = -500.
Subtract 1 from the decimal representation e.g. a decimal value of 3 = 3 – 1 = 2 which is commonly expressed as 2⁄1.
- Positive american odds – (The decimal value minus one) multiplied by 100 e.g. a decimal value of 3 = (3 – 1) * 100 = 200.
- Negative american odds – Negative 100 divided by (the decimal odds minus one) e.g. a decimal value of 1.2 = -100 / (1.2 – 1) = -500.
Also See
Betting Calculator – Enter your odds and stake to calculate bet returns for all types of sports wagers. Supports all major formats including decimal, fraction and american.
Dutching Calculator – Odds changed since you placed your last bet? Use this calculator to determine the stakes necessary to guarantee a fixed return regardless of the outcome. Punters comfortable with exchange betting often use this approach as odds fluctuate more frequently.
About AceOdds
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