Free tools

Poker calculators

Quick checks before you trust a result, sign up for a site, or pick a bet size. Everything runs in your browser.

Confidence ranges for your results, downswing odds, sample paths, and risk of ruin.

Your win rate before rake, after rake, and with rakeback, plus what that means per month and per hour.

Pot odds, minimum defense frequency, bluff break-even, and value-to-bluff ratios for any size.