Sports betting tools

Free sports betting calculators

A clean, fast set of calculators for smarter betting — parlays, odds, hedging, expected value and more. No sign-up, no cost.

Parlay Calculator

Combine multiple bets and see your combined odds and payout instantly.

Odds Converter

Convert between American, decimal and fractional odds in one click.

Bet Payout Calculator

See the exact profit and payout on any winning bet.

Hedge Bet Calculator

Find the bet that locks in a guaranteed result on any wager.

Kelly Criterion Calculator

Calculate the optimal stake for your edge and bankroll.

Expected Value Calculator

Check whether a bet is +EV or -EV before you place it.

Arbitrage Calculator

Split a stake across two books for a guaranteed return.

No-Vig Fair Odds Calculator

Remove the vig to find a market's true fair odds.

Built for sharp bettors

Every tool on SharpOddsIQ is free, works instantly in your browser, and is built to do one job well. Whether you are pricing a parlay, checking a line for value, or stripping the vig out of a market, the answer updates the moment you type. Nothing to install and nothing to sign up for.