Tools

Free odds calculators

The same maths behind every OddsEdge pick, as simple calculators. Results update as you type. Free, no sign-up.

Odds converter

Convert betting odds between decimal, fractional and American formats and implied probability. Type in any box and the others update instantly.

Enter the odds for every outcome to see the bookmaker's margin, the true probabilities with the margin removed, and the fair odds.

Compare the odds on offer with fair odds or your own probability to see the edge and expected value of a bet.

Combine up to 12 selections to see the parlay odds, potential return and the chance it wins, plus how the bookmaker's margin stacks up across legs.