Poker Tools & Calculators

Small, free, self-contained poker utilities from the HandRecorder team. Each one runs entirely in your browser — no signup, no data leaves the page.

• Pot-Odds Calculator — pot/bet size plus outs or known equity, get the equity you need to call, a rule-of-4/2 estimate, and a call/fold verdict.
• Preflop Range Chart — 13×13 grid with a position selector (UTG/MP/CO/BTN/SB), raise/call/mix/fold coloring, and live opening-frequency percentage.
• Session & Bankroll Tracker — log date, stakes, buy-in, cash-out and hours; running net profit, win rate, hours, and $/hr. Saved locally with JSON export.
• Bankroll Requirement & Risk of Ruin — win rate, std deviation, stakes and roll in, recommended bankroll for a target risk plus a well-rolled/borderline/underrolled verdict.
• ICM Calculator — tournament payouts and chip stacks in, prize-money equity ($ and % of pool) per stack via Malmuth–Harville.
• Hold'em Equity Calculator — two hole-card hands plus an optional board, Monte Carlo win/tie/equity %, exact result on a complete board.
• Fold Equity / Semi-Bluff EV — pot, bet, fold% and equity-when-called in, EV of betting vs. checking and the pure-bluff break-even fold %.

Download HandRecorder on the App Store to track every hand you play alongside these tools.