Odds Converter
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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 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
How do you convert odds to probability
percentages? Decimal - 1 divided by the decimal odds, multiplied by 100❤️ to give a
percentage e.g. decimal odds of 2 = (1/2) * 100 = 50%.
- 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%.
- 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%.
How do you convert probability percentages
to odds? Decimal - 1 divided by (the percentage divided by 100) e.g. a❤️ probability of
50% = 1 / (50 / 100) = 2.
- 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.
-
(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.
How do you convert american odds❤️ to decimal? Positive odds - 1
plus (the american odds divided by 100) e.g. american odds of 300 = 1❤️ + (300/100) =
4.
- 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. How do you convert american odds to fractional?
Positive odds - The american odds divided❤️ by 100 e.g. american odds of 300 = 300/100 =
3/1.
- 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. How do you convert fractional odds to decimal? Add 1 to the fractional
representation e.g.❤️ a fractional value of 3/1 = (3/1) + 1 = 4. How do you convert
fractional odds to american? Positive❤️ american odds - The fractional value multiplied
by 100 e.g. a fractional odds of 3/1 = (3/1) * 100 =❤️ 300.
- 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. How do you convert decimal odds to fractional? Subtract 1 from the
decimal representation e.g. a decimal value❤️ of 3 = 3 - 1 = 2 which is commonly
expressed as 2/1. How do you convert decimal odds❤️ to american? Positive american odds -
(The decimal value minus one) multiplied by 100 e.g. a decimal value of 3❤️ = (3 - 1) *
100 = 200.
- (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.
