Betting Calculators
Free tools to help you make smarter betting decisions. Calculate implied probability, expected value, Kelly stake, and more.
Implied Probability
Convert odds to probability percentage
Implied Probability
50.00%
This shows the probability implied by the bookmaker's odds. If you believe the true probability is higher, this could be a value bet.
Expected Value (EV)
Calculate your expected profit/loss
EV (€)
+1.00
EV (%)
+10.00%
Odds Converter
Convert between odds formats
Fractional100/100
American+100
Implied Prob.50.0%
More Tools Coming Soon
Kelly Criterion Calculator
Optimal stake sizing
Accumulator Calculator
Multi-bet returns
Arbitrage Checker
Find sure bets