Tools
Odds Converter
American, decimal, fractional, implied probability — converted live.
Inputs
Positive = underdog, negative = favorite
European convention
Fractional odds
/
UK convention
%
Includes the book's vig
Results
All formats
- American
- -110
- Decimal
- 1.909
- Fractional
- 10/11
- Implied probability
- 52.4%
Implied probability is the inverse of decimal odds and includes the book's vig. For a fair (vig-free) probability, see the fair-value methodology.
Compare prices across 40+ books
The odds page de-vigs every book and highlights the best price per bet.