Three calculators every bettor ends up needing. All the math runs on this page, so prices and bankroll figures never leave your device.
01 · Convert
Odds Converter
Decimal, fractional, American, implied probability, Hong Kong, Malay and Indonesian — type in any one, read the rest.
Open →02 · JudgeDoes My Bet Have Value?
Your probability against the price. A green, amber or red flag, the edge and EV — and the bookmaker margin stripped out.
Open →03 · StakeKelly Criterion
How much of your bankroll an edge is worth, at full, half or quarter Kelly, with a hard cap.
Open →