Fixed-odds Betting - Odds Conversion

Odds Conversion

To convert fractional odds to decimal, take the fractional number, convert it to decimal by doing the division, and then add 1. For example, the 4-to-1 fractional odds shown above is the same as 5 in decimal odds, while 1-to-4 would be quoted as 1.25.

The method for converting moneyline to decimal odds depends on whether the moneyline value is positive or negative. If positive, divide by 100 and add 1. +400 moneyline is the same as 5.0 in decimal odds. If the moneyline is negative, divide 100 by the absolute moneyline amount, then add 1. For example, -400 moneyline is 100/400 + 1 in decimal, or 1.25

Decimal Fractional Moneyline Win% (to
Break Even)
Return
(minus stake)
1.01 1/100 -10,000 99.01% 1.00%
1.11 1/9 -900 90.00% 11.11%
1.33 1/3 -300 75.00% 33.33%
1.50 1/2 -200 66.67% 50.00%
2.00 1/1 +/-100 50.00% 100.00%
3.00 2/1 +200 33.33% 200.00%
4.00 3/1 +300 25.00% 300.00%
10.00 9/1 +900 10.00% 900.00%
101.00 100/1 +10,000 0.99% 10,000.00%

Read more about this topic:  Fixed-odds Betting

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