Kalshi logo
Trade $25, Get $25 Free

Implied Probability Calculator

Type in the odds of your bet in any format to calculate the implied probability.

American Odds
Fractional Odds
Decimal Odds
Implied Probability

Find Profitable Bets Before the Market Does

Odds Assist Pro scans sportsbooks and prediction markets around the clock to find +EV bets, arbitrage, middles, sharp line movement, and more. Stop guessing and start betting with a statistically profitable edge.