| |
Useful
Formulae |
Quick
formulae for odds comparisons and percentage chances |
To convert odds into a percentage chance
(2nd part of price/Total of both halves of price) x 100 =
percentage chance
Worked example: 6/4
4/10 x 100 = 40% |
To convert a decimal price into a
percentage chance
(1/decimal price) x 100 = percentage chance
Worked example: 2.50
1/2.50 x 100 = 40% |
To convert a percentage chance into a
decimal price
100/percentage chance = decimal price
Worked example: 40%
100/40 = 2.50 |
To convert a percentage chance into
odds/1
(100/percentage chance) -1 = odds/1
Worked example: 40%
(100/40) -1 = 1.50/1 |
Balance
your bets and lays with this conversion chart Each line is designed to break even
to a total outlay of £100 |
Back |
Lay |
Stake £ |
Odds/1 |
Decimal |
Decimal |
Odds/1 |
Lay £ |
99 |
0.01 |
1.01 |
100.00 |
99.00 |
1 |
98 |
0.02 |
1.02 |
50.00 |
49.00 |
2 |
97 |
0.03 |
1.03 |
33.33 |
32.33 |
3 |
96 |
0.04 |
1.04 |
25.00 |
24.00 |
4 |
95 |
0.05 |
1.05 |
20.00 |
19.00 |
5 |
94 |
0.06 |
1.06 |
16.67 |
15.67 |
6 |
93 |
0.08 |
1.08 |
14.29 |
13.29 |
7 |
92 |
0.09 |
1.09 |
12.50 |
11.50 |
8 |
91 |
0.10 |
1.10 |
11.11 |
10.11 |
9 |
90 |
0.11 |
1.11 |
10.00 |
9.00 |
10 |
89 |
0.12 |
1.12 |
9.09 |
8.09 |
11 |
88 |
0.14 |
1.14 |
8.33 |
7.33 |
12 |
87 |
0.15 |
1.15 |
7.69 |
6.69 |
13 |
86 |
0.16 |
1.16 |
7.14 |
6.14 |
14 |
85 |
0.18 |
1.18 |
6.67 |
5.67 |
15 |
84 |
0.19 |
1.19 |
6.25 |
5.25 |
16 |
83 |
0.20 |
1.20 |
5.88 |
4.88 |
17 |
82 |
0.22 |
1.22 |
5.56 |
4.56 |
18 |
81 |
0.23 |
1.23 |
5.26 |
4.26 |
19 |
80 |
0.25 |
1.25 |
5.00 |
4.00 |
20 |
79 |
0.27 |
1.27 |
4.76 |
3.76 |
21 |
78 |
0.28 |
1.28 |
4.55 |
3.55 |
22 |
77 |
0.30 |
1.30 |
4.35 |
3.35 |
23 |
76 |
0.32 |
1.32 |
4.17 |
3.17 |
24 |
75 |
0.33 |
1.33 |
4.00 |
3.00 |
25 |
74 |
0.35 |
1.35 |
3.85 |
2.85 |
26 |
73 |
0.37 |
1.37 |
3.70 |
2.70 |
27 |
72 |
0.39 |
1.39 |
3.57 |
2.57 |
28 |
71 |
0.41 |
1.41 |
3.45 |
2.45 |
29 |
70 |
0.43 |
1.43 |
3.33 |
2.33 |
30 |
69 |
0.45 |
1.45 |
3.23 |
2.23 |
31 |
68 |
0.47 |
1.47 |
3.13 |
2.13 |
32 |
67 |
0.49 |
1.49 |
3.03 |
2.03 |
33 |
66 |
0.52 |
1.52 |
2.94 |
1.94 |
34 |
65 |
0.54 |
1.54 |
2.86 |
1.86 |
35 |
64 |
0.56 |
1.56 |
2.78 |
1.78 |
36 |
63 |
0.59 |
1.59 |
2.70 |
1.70 |
37 |
62 |
0.61 |
1.61 |
2.63 |
1.63 |
38 |
61 |
0.64 |
1.64 |
2.56 |
1.56 |
39 |
60 |
0.67 |
1.67 |
2.50 |
1.50 |
40 |
59 |
0.69 |
1.69 |
2.44 |
1.44 |
41 |
58 |
0.72 |
1.72 |
2.38 |
1.38 |
42 |
57 |
0.75 |
1.75 |
2.33 |
1.33 |
43 |
56 |
0.79 |
1.79 |
2.27 |
1.27 |
44 |
55 |
0.82 |
1.82 |
2.22 |
1.22 |
45 |
54 |
0.85 |
1.85 |
2.17 |
1.17 |
46 |
53 |
0.89 |
1.89 |
2.13 |
1.13 |
47 |
52 |
0.92 |
1.92 |
2.08 |
1.08 |
48 |
51 |
0.96 |
1.96 |
2.04 |
1.04 |
49 |
50 |
1.00 |
2.00 |
2.00 |
1.00 |
50 |
49 |
1.04 |
2.04 |
1.96 |
0.96 |
51 |
48 |
1.08 |
2.08 |
1.92 |
0.92 |
52 |
47 |
1.13 |
2.13 |
1.89 |
0.89 |
53 |
46 |
1.17 |
2.17 |
1.85 |
0.85 |
54 |
45 |
1.22 |
2.22 |
1.82 |
0.82 |
55 |
44 |
1.27 |
2.27 |
1.79 |
0.79 |
56 |
43 |
1.33 |
2.33 |
1.75 |
0.75 |
57 |
42 |
1.38 |
2.38 |
1.72 |
0.72 |
58 |
41 |
1.44 |
2.44 |
1.69 |
0.69 |
59 |
40 |
1.50 |
2.50 |
1.67 |
0.67 |
60 |
39 |
1.56 |
2.56 |
1.64 |
0.64 |
61 |
38 |
1.63 |
2.63 |
1.61 |
0.61 |
62 |
37 |
1.70 |
2.70 |
1.59 |
0.59 |
63 |
36 |
1.78 |
2.78 |
1.56 |
0.56 |
64 |
35 |
1.86 |
2.86 |
1.54 |
0.54 |
65 |
34 |
1.94 |
2.94 |
1.52 |
0.52 |
66 |
33 |
2.03 |
3.03 |
1.49 |
0.49 |
67 |
32 |
2.13 |
3.13 |
1.47 |
0.47 |
68 |
31 |
2.23 |
3.23 |
1.45 |
0.45 |
69 |
30 |
2.33 |
3.33 |
1.43 |
0.43 |
70 |
29 |
2.45 |
3.45 |
1.41 |
0.41 |
71 |
28 |
2.57 |
3.57 |
1.39 |
0.39 |
72 |
27 |
2.70 |
3.70 |
1.37 |
0.37 |
73 |
26 |
2.85 |
3.85 |
1.35 |
0.35 |
74 |
25 |
3.00 |
4.00 |
1.33 |
0.33 |
75 |
24 |
3.17 |
4.17 |
1.32 |
0.32 |
76 |
23 |
3.35 |
4.35 |
1.30 |
0.30 |
77 |
22 |
3.55 |
4.55 |
1.28 |
0.28 |
78 |
21 |
3.76 |
4.76 |
1.27 |
0.27 |
79 |
20 |
4.00 |
5.00 |
1.25 |
0.25 |
80 |
19 |
4.26 |
5.26 |
1.23 |
0.23 |
81 |
18 |
4.56 |
5.56 |
1.22 |
0.22 |
82 |
17 |
4.88 |
5.88 |
1.20 |
0.20 |
83 |
16 |
5.25 |
6.25 |
1.19 |
0.19 |
84 |
15 |
5.67 |
6.67 |
1.18 |
0.18 |
85 |
14 |
6.14 |
7.14 |
1.16 |
0.16 |
86 |
13 |
6.69 |
7.69 |
1.15 |
0.15 |
87 |
12 |
7.33 |
8.33 |
1.14 |
0.14 |
88 |
11 |
8.09 |
9.09 |
1.12 |
0.12 |
89 |
10 |
9.00 |
10.00 |
1.11 |
0.11 |
90 |
9 |
10.11 |
11.11 |
1.10 |
0.10 |
91 |
8 |
11.50 |
12.50 |
1.09 |
0.09 |
92 |
7 |
13.29 |
14.29 |
1.08 |
0.08 |
93 |
6 |
15.67 |
16.67 |
1.06 |
0.06 |
94 |
5 |
19.00 |
20.00 |
1.05 |
0.05 |
95 |
4 |
24.00 |
25.00 |
1.04 |
0.04 |
96 |
3 |
32.33 |
33.33 |
1.03 |
0.03 |
97 |
2 |
49.00 |
50.00 |
1.02 |
0.02 |
98 |
1 |
99.00 |
100.00 |
1.01 |
0.01 |
99 |
©
2000 - 2021 Professional Betting Advice and Strategy from cdsystems.
| |
Professional
Betting
Portfolio
by
Steve Jones
|
WINNER:
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TIPSTER:
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As
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