Betting Tools
Interactive tools to calculate your edge, size your bets, convert odds, and track your results.
Kelly Criterion Bet Sizer
Size your bets mathematically. Input your edge and odds, get the optimal stake as a percentage of bankroll. Full Kelly, fractional Kelly, and risk warnings built in.
Universal Odds Format Converter
Convert between Decimal, American, and Fractional odds instantly. Includes a two-way market calculator to strip the vig and reveal true probabilities.
Expected Value & Variance Simulator
Calculate expected value per bet and over 100 rounds. Deconstruct house edge with real-time sliders for probability, payout, and stake.
Client-Side Bankroll & Bet Logger
Log every bet, track your bankroll over time, and see win rate, ROI, streaks, and P/L. All data saved locally in your browser — zero server transmission.
All calculations run in your browser
All mathematical calculations, probability models, and bankroll data on sportssharps.com execute exclusively in your local browser. No seeds, parameters, bets, or session data are transmitted to any server.
Compare sportsbooks
Partner links
1win Sportsbook: compare the quoted price and exact market rules
What to check first → Visit 1win 18+ · Terms on site
Stake Sportsbook: compare sports markets and settlement rules
What to check first → Visit Stake 18+ · Terms on siteCheck the exact market, settlement rules and availability in your country. Offers depend on your country and account; current terms are on the operator’s site. A model result does not establish a betting edge.