Free Betting Calculators

Every calculator here is free, needs no account, and runs entirely in your browser. Bring your own odds — or let the live promo calculator find the prices for you.

Bonus Bet Calculator

Turn a free bet token into locked-in cash with a hedge.

No-Sweat Bet Calculator

Hedge an insured first bet whose loss refunds as a bonus bet.

Hedge Calculator

Lock in profit (or cap a loss) on any open 2-way bet.

Arbitrage Calculator

Split a stake across 2 or 3 outcomes for a locked-in return.

No-Vig Fair Odds Calculator

Strip the book's margin to find the fair price and true odds.

Odds Converter

American ⇄ decimal ⇄ implied probability, instantly.

Expected Value Calculator

See whether your price beats the fair price in the long run.

For educational use only. Verify prices at the sportsbook before betting; odds move.