Equity calculator

Run Monte Carlo against any matchup — hand vs hand, hand vs a range, or two ranges against each other. Runs in your browser on a Web Worker so the page stays responsive. Free up to 2,500 iterations per run.

Hero hand

Villain hand

Board

Optional. 0, 3, 4, or 5 cards.

Iterations

Free: capped at 2,500 runs. Pro unlocks 50,000.

2,000

Pro raises the iteration cap to 50,000 for tighter equity estimates, plus the custom range builder, leak detector, and ad-free experience. See pricing →