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Betting odds conversion chart

To understand what betting odds are, we have to first understand the concept of chance.

Chance is the likelihood of an event happening. It is often expressed in percentages, also referred to as the probability.

Example: Roll a dice.

Rolling a dice yields a probability of 1 out of 6 for each outcome.

The chance of the dice landing on any of the 6 numbers is equal. In percentages this means a 16.66% chance (or probability) of any of the six numbers to coming up.

How is this calculated?

Simply by dividing 100% by the 6 possible outcomes.

There are three kinds of odds you will come across in the sports betting landscape:

  • Decimal Odds: represented as 1.65 or 2.95 etc.
  • Fractional Odds: represented as 5/2 or 3 to 2 ‘on’ etc.
  • Moneyline Odds: represented as -120 or +140 etc.

The following is an odds conversion chart that presents the odds and implied probability across each odds format.

Implied Probability %Decimal OddsFractional OddsAmerican Odds
99.01.01 1/100-10000
98.01.02 1/50 -5000
97.1 1.03 1/33-3333
96.2 1.04 1/25-2500
95.2 1.051/20-2000
94.3 1.06 3/50 -1667
93.51.077/100 -1429
92.6 1.08 2/25 -1250
91.71.09 9/100 -1111
90.9 1.101/10-1000
90.1 1.11 11/100-909
89.31.123/25-833
88.51.13 13/100 -769
87.7 1.14 7/50 -714
87.01.153/20-667
86.2 1.16 4/25 -625
85.5 1.17 17/100 -588
84.7 1.189/50 -556
84.0 1.1919/100 -526
83.3 1.20 1/5 -500
82.6 1.21 21/100 -476
82.0 1.2211/50 -455
81.3 1.2323/100 -435
80.6 1.246/25 -417
80.0 1.25 1/4 -400
79.4 1.26 13/50-385
78.7 1.27 27/100 -370
78.1 1.287/25 -357
77.5 1.2929/100 -345
76.9 1.303/10 -333
76.31.3131/100 -323
75.8 1.328/25 -313
74.6 1.33 33/100-303
74.1 1.34 17/50 -294
73.5 1.3535/100 -286
73.0 1.36 9/25 -278
72.5 1.37 37/100 -270
71.9 1.39 39/100 -256
71.4 1.40 2/5 -250
70.9 1.41 41/100 -244
70.4 1.4221/50 -238
69.9 1.43 43/100-233
69.4 1.44 11/25 -227
69.01.45 9/20 -222
68.5 1.46 23/50 -217
68.0 1.47 47/100 -213
67.6 1.48 12/25 -208
67.1 1.49 49/100-204
66.7 1.50 1/2 -200
65.81.52 13/25 -192
64.91.54 27/50 -185
64.11.56 14/25 -179
63.31.58 29/50 -172
62.51.60 3/5 -167
61.71.62 31/50 -161
61.01.64 16/25 -156
60.21.6633/50 -152
59.51.68 17/25 -147
58.81.70 7/10 -143
58.11.72 18/25 -139
57.51.7437/50 -135
56.81.76 19/25 -132
56.2 1.78 39/50 -128
55.61.80 4/5 -125
54.91.82 41/50 -122
54.31.84 21/25 -119
53.81.86 43/50 -116
53.21.88 22/25 -114
52.61.90 9/10 -111
52.11.92 23/25 -109
51.51.94 47/50 -106
51.01.96 24/25 -104
50.51.98 49/50 -102
50.02.00 1/1 -100
49.52.02 51/50 102
49.02.04 26/25 104
48.5 2.06 53/50 106
48.12.0827/25108
47.62.10 11/10110
46.52.15 23/20 115
45.52.20 6/5 120
44.42.25 5/4 125
43.52.30 13/10130
42.62.35 27/20135
41.72.40 14/10 140
40.82.45 29/20 145
40.0 2.50 3/2 150
38.52.60 8/5 160
37.02.70 17/10 170
35.7 2.80 9/5 180
34.5 2.90 19/10 190
33.3 3.00 2/1200
31.3 3.2011/5 220
29.4 3.40 12/5 240
27.8 3.6013/5260
26.3 3.80 14/4280
25.0 4.00 3/1 300
23.8 4.20 16/5 320
22.7 4.40 17/5340
21.7 4.60 18/5 360
20.8 4.80 19/5 380
20.0 5.00 4/1 400
19.25.20 21/5 420
18.55.4022/5 440
17.95.60 23/5 460
17.25.80 24/5 480
16.76.00 5/1500
16.1 6.20 26/5 520
15.6 6.40 27/5 540
15.2 6.60 28/5 560
14.7 6.80 29/5 580
14.3 7.006/1 600
13.3 7.50 13/2 650
12.5 8.00 7/1700
11.19.008/1 800
10.0 10.00 9/1 900
9.1 11.00 10/1 1000
8.3 12.011/1 1100
7.7 13.0 12/1 1200
7.1 14.00 13/1 1300
6.7 15.00 14/1 1400
5.020.0019/1 1900
3.330.00 29/1 2900
2.540.00 39/1 3900
2.0 50.00 49/1 4900
1.0 100.00 99/19900
0.7 150.00 149/1 14900
0.5 200.00 199/1 19900
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