Odds Calculator » Odds Conversion Table

Odds Conversion Table

Convert sports betting odds with our easy-to-read odds conversion table that includes decimal, fractional & US odds, and probability.

Decimal Fractional American Probability
1 0/∞ -∞ 100%
1.01 1/100 -10000 99.01%
1.02 1/50 -5000 98.04%
1.03 1/33 -3333 97.09%
1.04 1/25 -2500 96.15%
1.05 1/20 -2000 95.24%
1.06 1/16 -1667 94.34%
1.07 1/14 -1429 93.46%
1.08 1/13 -1250 92.59%
1.09 1/11 -1111 91.74%
1.1 1/10 -1000 90.91%
1.11 1/9 -909 90.09%
1.12 2/17 -833 89.29%
1.13 2/15 -769 88.5%
1.14 1/7 -714 87.72%
1.15 2/13 -667 86.96%
1.16 2/13 -625 86.21%
1.17 1/6 -588 85.47%
1.18 2/11 -556 84.75%
1.19 2/11 -526 84.03%
1.2 1/5 -500 83.33%
1.22 2/9 -455 81.97%
1.25 1/4 -400 80%
1.28 2/7 -357 78.13%
1.3 3/10 -333 76.92%
1.33 1/3 -303 75.19%
1.35 7/20 -286 74.07%
1.36 4/11 -278 73.53%
1.4 2/5 -250 71.43%
1.44 4/9 -227 69.44%
1.45 9/20 -222 68.97%
1.47 8/17 -213 68.03%
1.5 1/2 -200 66.67%
1.53 8/15 -189 65.36%
1.57 4/7 -175 63.69%
1.6 3/5 -167 62.5%
1.62 8/13 -161 61.73%
1.63 5/8 -159 61.35%
1.66 2/3 -152 60.24%
1.7 7/10 -143 58.82%
1.72 8/11 -139 58.14%
1.8 4/5 -125 55.56%
1.83 5/6 -120 54.64%
1.9 9/10 -111 52.63%
1.91 10/11 -110 52.36%
1.95 20/21 -105 51.28%
2 1/1 +/-100 50%
2.05 21/20 +105 48.78%
2.1 11/10 +110 47.62%
2.2 6/5 +120 45.45%
2.25 5/4 +125 44.44%
2.3 13/10 +130 43.48%
2.38 11/8 +138 42.02%
2.4 7/5 +140 41.67%
2.5 3/2 +150 40%
2.6 8/5 +160 38.46%
2.63 13/8 +163 38.02%
2.7 17/10 +170 37.04%
2.75 7/4 +175 36.36%
2.8 9/5 +180 35.71%
2.88 15/8 +188 34.72%
2.9 19/10 +190 34.48%
3 2/1 +200 33.33%
3.1 21/10 +210 32.26%
3.13 17/8 +213 31.95%
3.2 11/5 +220 31.25%
3.25 9/4 +225 30.77%
3.3 23/10 +230 30.3%
3.38 19/8 +238 29.59%
3.4 12/5 +240 29.41%
3.5 5/2 +250 28.57%
3.6 13/5 +260 27.78%
3.75 11/4 +275 26.67%
3.8 14/5 +280 26.32%
4 3/1 +300 25%
4.2 16/5 +320 23.81%
4.33 10/3 +333 23.09%
4.5 7/2 +350 22.22%
4.6 18/5 +360 21.74%
5 4/1 +400 20%
5.5 9/2 +450 18.18%
6 5/1 +500 16.67%
6.5 11/2 +550 15.38%
7 6/1 +600 14.29%
7.5 13/2 +650 13.33%
8 7/1 +700 12.5%
8.5 15/2 +750 11.76%
9 8/1 +800 11.11%
9.5 17/2 +850 10.53%
10 9/1 +900 10%
11 10/1 +1000 9.09%
20 19/1 +1900 5%
30 30/1 +2900 3.33%
40 40/1 +3900 2.5%
50 50/1 +4900 2%
60 60/1 +5900 1.67%
70 70/1 +6900 1.43%
80 80/1 +7900 1.25%
90 90/1 +8900 1.11%
100 100/1 +9900 1%
1000 1000/1 +99900 0.1%

This guide simplifies the conversion process between decimal, fractional, American, and probability odds. Ideal for bettors of all levels, this page is your go-to resource for understanding and converting odds.

Decimal Odds

Decimal odds are straightforward, indicating the total payout for every $1 wagered.

Example: 3.00 (wager $1 to receive $3).

Conversion Formula:

  • To Fractional: Decimal Odds−1 converted to a fraction (e.g., 3.00 – 1 = 2/1).
  • To American: If the decimal odds exceed 2.00, multiply by 100 (e.g., 3.00 * 100 = +200). If less than 2.00, multiply by -100 and divide 1 by the decimal odds minus 1 (e.g., −1001.50−1≈−200).

Fractional Odds

Explanation: Fractional odds, favored in the UK, display the profit relative to the stake.

Example: 5/1 (bet $1 to win $5).

Conversion Formula:

  • To Decimal: Convert to a decimal and add 1 (5/1 + 1 = 6.00).
  • To American: If the fraction equals or exceeds 1 (e.g., 5/1), multiply by 100 (500). If less than 1 (e.g., 1/5), it’s negative and calculated as −100Fraction (e.g., -500).

American Odds

American odds, or moneyline odds, are expressed as positive or negative numbers.

Example: +200 (bet $100 to win $200) or -150 (bet $150 to win $100).

Conversion Formula:

  • To Decimal: If positive, divide by 100 and add 1 (e.g., 200100+1=3.00). If negative, −100Odds+1 (e.g., −100−150+1≈1.67).
  • To Fractional: Convert positive odds to a fraction of the odds over 100 (e.g., 200/100 = 2/1) and negative odds as -100 over the odds (e.g., -100/-150 = 2/3).

Probability

Probability odds express the likelihood of an event occurring in percentages.

Example: 50% (50% chance of the event occurring).

Conversion Formula:

  • To Decimal: 100Probability %.
  • To Fractional: Convert the percentage to a fraction and simplify (e.g., 50% = 50/100 = 1/2).

Calculate Your Odds

We have also developed an odds calculator that automatically converts your odds and will give you the possible return or payout of your bets. In our calculator, you will be able to calculate Parlay bets, as well as straight bets and more complex bets such as system bets.