ICM Calculator
Calculate Independent Chip Model equity for tournament poker. Convert chip stacks to real dollar equity based on payout structure.
Formula:ICM Equity = Malmuth-Harville probability model
Player 1
Chip stack
First place prize
Player 2
Chip stack
Second place prize
Player 3 (Optional)
0 if heads-up
0 if heads-up
Total Prize Pool
$1,000
Total Chips
100,000
Players
3
ICM Equity Breakdown
| Player | Stack | Chip % | Chip Equity | ICM Equity | Difference |
|---|---|---|---|---|---|
| Player 1 | 50,000 | 50.0% | $500 | $384 | -$116 |
| Player 2 | 30,000 | 30.0% | $300 | $328 | +$28 |
| Player 3 | 20,000 | 20.0% | $200 | $289 | +$89 |
ICM Insight
The chip leader's ICM equity ($384) is $116 less than their chip proportion would suggest ($500). This demonstrates the diminishing value of chips - doubling your stack doesn't double your equity.
Try These Examples
Quick-start with common scenarios
What is ICM in Tournament Poker?
ICM (Independent Chip Model) converts tournament chip stacks to actual dollar equity based on payout structure. A player with 50% of chips doesn't have 50% of the prize pool - they have less due to diminishing returns. For example, in a $1000 prize pool with 3 players at 50K/30K/20K chips, the chip leader's equity is roughly $450, not $500.
Key Facts About ICM
- ICM converts chips to dollar equity in tournaments
- Chip leader always has less equity than chip proportion
- Doubling your chips does NOT double your equity
- ICM pressure is highest near bubble and pay jumps
- Example: 50% of chips ≠ 50% of $1000 prize pool
- Short stacks have more equity per chip than big stacks
- ICM favors tight play near significant pay jumps
- Deal-making uses ICM to calculate fair splits
How ICM Works
The Malmuth-Harville Model
ICM uses the Malmuth-Harville model to calculate finishing probabilities. Each player's probability of finishing in each position is calculated based on their chip proportion, then multiplied by the corresponding payout.
Diminishing Returns
The key insight is that chips have diminishing returns. Winning all the chips only gets you first place money, not the entire prize pool. This is why the chip leader's equity is always less than their chip proportion of the prize pool.
Practical Applications
ICM is used for deal-making at final tables, calculating when to call or fold based on tournament equity rather than chip equity, and understanding bubble dynamics where survival value is high.
Frequently Asked Questions
What is ICM in poker?
ICM (Independent Chip Model) converts tournament chip stacks to real money equity. With a $1,000 prize pool split 50/30/20, a player with 50% of chips doesn't have $500 equity - ICM calculates it's closer to $420-450 because they can't win more than 1st place money.
Why don't chips equal money in tournaments?
Chips have diminishing returns. The first chip you win is more valuable than the last. A player with all the chips only wins 1st place, not the entire prize pool. This is why doubling up doesn't double your equity.
When is ICM most important?
ICM matters most at bubbles and pay jumps. Near the money, surviving one more elimination significantly increases your equity. At final tables, large pay jumps between positions (like 2nd vs 1st) create intense ICM pressure.
How do I use ICM for deal-making?
ICM calculates each player's equity based on stacks and remaining payouts. A fair deal splits the remaining prize pool according to ICM equity, sometimes with a bonus left for the eventual winner to play for.
Should I always follow ICM?
Not always. ICM assumes all players are equally skilled. If you have a significant skill edge, you can deviate from ICM to maximize your long-term EV. Also, ICM doesn't account for blind pressure or position.
How this works
Calculations follow the published mathematics of the game — combinatorics for cards, probability theory for dice, and expected-value accounting for wagers. Results are verified against independent references (primarily Wizard of Odds). No calculation here is an opinion or recommendation; it is arithmetic applied to the rules of the game.
What this tool can’t do
When to consult a professional
This tool computes probability and expected value. It is not a betting system and cannot predict the outcome of any individual wager. If gambling is causing problems for you or someone you know, call the National Problem Gambling Helpline at 1-800-GAMBLER.
Sources
- [1]Wizard of Odds — Michael Shackleford, ASAIndustrywizardofodds.comAccessed Apr 21, 2026
Actuary; widely cited casino-game probability reference. Used for house-edge and EV verification.
- [2]National Council on Problem GamblingOfficial sourcencpgambling.orgAccessed Apr 21, 2026
Responsible-gambling guidance and 1-800-GAMBLER helpline.
Joseph OrdunaFounder & Software Engineer
Full-stack software engineer specializing in embedded systems, web architecture, and AI/ML. Founder of Practical Web Tools. Built the gesture-controlled drone IP acquired by KD Interactive (Aura Drone, sold on Amazon).