Betting tools.
Free, no sign-up, no tracking scripts. Built by people who grade every one of their own picks in public.
Odds Converter
American ↔ decimal ↔ fractional, with implied probability.
Parlay Calculator
Combined odds, payout and profit for multi-leg bets.
Kelly Calculator
Stake sizing from your edge — full, half or quarter Kelly.
Who built this
This tool is maintained by USA Sports Bets Edge — a public betting tracker running since March 2021. Every pick is graded on a public record, wins and losses. See the live record or browse the weekly recaps.