Free Betting Tools
The calculators every serious bettor needs, free and instant — no signup, no email, all math runs in your browser. The same formulas SmartBet Lab applies to your synced bets.
Odds Converter
Convert betting odds between decimal, American and fractional formats and see the implied probability. Free, instant, no signup.
CLV Calculator
Enter the odds you took and the closing odds to compute your closing line value — the same formula SmartBet Lab applies to synced bets.
Kelly Criterion Calculator
Compute the Kelly stake for your bankroll from decimal odds and your estimated win probability, with fractional Kelly options.