Free Poker Tools
Professional-grade poker calculators built for serious players. No sign-up required — use them instantly, right in your browser.
Poker Odds Calculator
Calculate your exact winning probability in any Texas Hold'em hand. Supports up to 10 players, board textures, and Monte Carlo simulation for instant results.
Preflop GTO Charts
Interactive library of theoretically optimal preflop ranges with quick filters by your position, opponent position, and game scenario. Study all the most important preflop ranges on one page!
Preflop GTO Trainer
Practice your preflop decisions against GTO-optimal ranges. Get dealt random hands, choose the correct action, and track your accuracy with detailed per-position statistics.
Pot Odds Calculator
Calculate pot odds, equity needed to call, and whether a call is profitable. Enter pot size, bet, and your outs to get the answer in seconds.
Bankroll Management Calculator
Find the optimal bankroll size for your stakes and risk tolerance. Based on Risk of Ruin mathematics with variance simulation built in.
Poker Profit Calculator
Track and project your poker earnings. Coming soon — enter your win rate, volume, and rake to calculate expected hourly and monthly profit across different stakes.
More tools are on the way
We're building a complete suite of free poker tools. Our team is actively developing new calculators and training aids to help you improve every aspect of your game.
Why use free poker calculators?
Making optimal decisions at the poker table requires math. While experienced players develop intuition over thousands of hands, poker calculators give you precise answers instantly — whether you're studying away from the table or need a quick check during a session.
The edge of data-driven poker
Every winning poker player relies on mathematics. Pot odds tell you whether a call is profitable. Equity calculations reveal your true chances of winning. Bankroll management ensures you survive the inevitable downswings. Free poker tools put this power in your hands without expensive software subscriptions.
Poker odds and equity calculators
Our Poker Odds Calculator uses Monte Carlo simulation to calculate your winning probability against up to 10 opponents. Enter your hole cards, set the board texture, and get precise equity percentages in milliseconds. The Pot Odds Calculator helps you determine whether calling a bet is mathematically correct based on the pot size, your opponent's bet, and your number of outs.
Bankroll management tools
Going broke is the #1 reason poker players fail — even winning ones. Our Bankroll Management Calculator uses Risk of Ruin mathematics to determine exactly how large your bankroll should be for the stakes you play. Input your win rate, standard deviation, and risk tolerance, and the calculator tells you the minimum bankroll you need to stay in the game long-term.
Profit tracking and projection
Understanding your real earn rate is crucial for poker career planning. The Poker Profit Calculator (coming soon) will help you project your hourly, daily, and monthly earnings based on your win rate and volume. It accounts for rake, variance, and different stake levels so you can make informed decisions about when to move up in stakes.
Frequently asked questions
Are these poker tools really free?
Yes, all poker calculators on this page are 100% free to use. No sign-up, no credit card, no hidden fees. They run entirely in your browser — we don't even store your calculations.
How accurate are online poker calculators?
Our poker odds calculator uses Monte Carlo simulation with hundreds of thousands of iterations, providing results accurate to within 0.3%. The pot odds and bankroll calculators use exact mathematical formulas — the same ones used by professional poker players.
Can I use these tools during a poker session?
These tools are designed primarily for studying and improving your game away from the table. Using calculators during live play is generally allowed in online poker, but check your poker site's rules. During live/casino poker, calculators cannot be used at the table.
What is the best poker calculator for beginners?
Start with the Poker Odds Calculator — understanding your winning chances in different situations is the foundation of solid poker strategy. Once you're comfortable with equity, move on to the Pot Odds Calculator to learn when calling a bet is mathematically correct.
Do I need to download anything?
No. All our poker tools are web-based and run directly in your browser. They work on desktop, tablet, and mobile devices — no installation or downloads required.