Odds & Conversion Calculators

Essential tools for converting between odds formats and understanding the true probabilities behind bookmaker odds.

Betting Odds Calculator

Convert odds between Decimal, Fractional, and American formats instantly. Also calculates implied probability from any odds.

Calculate the true probability implied by bookmaker odds. Enter odds for multiple outcomes to see the total probability and bookmaker margin.

Remove the bookmaker's margin to find fair odds. See what the odds would be without the bookmaker's built-in profit margin.

Quick and simple odds conversion tool. Enter odds in any format and see the equivalent in all other formats, plus the implied probability percentage.

Convert point spreads to moneylines and implied probabilities. See what a spread means in terms of win probability and equivalent moneyline odds.