Tools
Free, fast, no signup. The same math the desk uses every day. Bookmark this page — line shopping and Kelly-sized stakes will out-earn any pick service.
Parlay Calculator
Combine American odds and see the parlay payout instantly.
Odds Converter
American ↔ Decimal ↔ Fractional ↔ Implied probability.
Hold / Vig Calculator
Calculate the book's edge and the no-vig fair line.
Kelly Criterion
Optimal stake size given your edge and bankroll.
Hedge Calculator
Lock in profit or minimize loss on a live ticket.
Arbitrage Calculator
Plug in two prices and see if there's a guaranteed profit.
Expected Value (EV)
Find +EV bets vs. a fair-odds reference.