Pinnacle TerminalOdds converter and implied probability
One converter for decimal, fractional, American and Asian odds formats.
Enter any one price. The converter fills decimal, fractional, American, Hong Kong, Malay and Indonesian odds, plus the implied probability.
Return 25.00. Net win 15.00. Implied probability includes the bookmaker margin. To remove it, use the devig calculator.
Calculations run entirely in your browser; no data is saved.
Formula
Implied probability = 1 ÷ decimal odds. American +150 = 2.50. American −110 = 1 + 100 ÷ 110.
Worked example
2.50 is 3/2, +150, a 40.00% implied probability and Hong Kong 1.50. 1.80 is 4/5, −125, 55.56%, Malay 0.80 and Indonesian −1.25.
FAQ
How do I convert decimal odds to American?
At 2.00 or longer, American = (decimal − 1) × 100. Below 2.00, American = −100 ÷ (decimal − 1).
What does −110 mean?
−110 is decimal 1.9091, about 10/11, and an implied probability of 52.38%. The extra over 50% on both sides is the margin. See overround, vig and margin.
What is implied probability?
It is 1 divided by the decimal odds. A price of 2.50 implies 40%.
Why do implied probabilities add up to more than 100%?
The extra is the bookmaker margin. The devig calculator removes it when you enter every outcome.
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