Omaha 5 Card Calculator

Calculator Inputs

Hero five cards

Use codes like As Ah Ks Qh Jd.

Board cards

Enter zero to five community cards.

Dead or excluded cards

Optional known folded or blocked cards.

Opponents

Simulation trials

Random seed

Optional. Reuse a seed to repeat a run.

Pot size

Rake percent

Target equity percent

Formula Used

Five card Omaha uses exactly two hero cards and exactly three board cards. The calculator tests every legal hero combination with C(5,2) × C(board,3). Each complete five-card set is ranked from high card through straight flush.

Simulation equity uses average pot share. Equity percent equals total hero shares divided by trials, multiplied by 100. A solo win adds 1 share. A two-way chop adds 0.5 share. A three-way chop adds 0.3333 share.

Estimated pot return equals equity × pot size × (1 − rake percent). Target edge equals estimated equity minus the target equity value.

How to Use This Calculator

Enter exactly five hero cards with rank and suit codes.
Add zero to five board cards. Use flop, turn, or river states.
Add dead cards only when you know certain cards are unavailable.
Set opponents, trials, pot size, rake, and target equity.
Press Calculate. Results appear above the form and below the header.
Use CSV or PDF export for records, coaching, or hand review.

Example Data Table

Hero cards	Board cards	Opponents	Study purpose
As Ah Ks Qh Jd	Ts 9h 2c	2	Overpair plus broadway draw review
Ad Kd Qs Js Tc	9d 8d 2s	3	Wrap and flush pressure study
7s 7h 6s 5h 4d	7d 8c 9s	1	Set versus straight board texture
Ac Kc Qc Jh Td	2c 8c 9h Kd	4	Turn equity with nut suit blockers

Five Card Omaha Hand Planning

Five card Omaha looks simple, yet it punishes loose guesses. Each player receives five private cards. Only two private cards can play. Exactly three board cards must also play. This rule makes many attractive holdings weaker than they first appear. A hand with three private aces still uses only two of them. A flush also needs two suited private cards, not one.

Why Structure Matters

This calculator is built around that rule. It checks every valid two-card private combo. It also checks every valid three-card board combo. Then it ranks the best legal five-card poker hand. When the board is incomplete, the tool fills missing community cards from the live deck. Opponent hands are also sampled from live cards. Duplicate cards are rejected before any result is shown.

Equity Reading

The equity result estimates the average pot share. A clean win adds a full share. A chopped pot adds the correct split share. Losses add nothing. Multiway pots are handled by comparing the hero hand with every opponent in the trial. More trials usually create steadier numbers. A fixed seed helps you repeat the same study.

Practical Use

Use the made-hand result to confirm your current strength. Then compare equity, outs, and pot return. A strong made hand can still have fragile equity on wet boards. A drawing hand can gain value when many turn or river cards improve it. The board texture note gives a quick warning about pairs, suits, and coordinated ranks.

Better Decisions

The calculator should support review, not replace judgment. Real games involve position, stacks, blockers, fold equity, and player habits. Still, clear arithmetic removes many emotional mistakes. Download the CSV for spreadsheet review. Save the PDF for coaching notes. Test several boards and opponent counts. The best study comes from comparing close spots, not only obvious hands.

Range Discipline

Start with realistic opponent ranges when reviewing saved outputs. Random hands are useful for a baseline, but tables are rarely random. Tight games create fewer dominated draws. Wild games create more shared blockers and more chops. Record the setting beside each export. That small note keeps later analysis honest and easier to compare. It also improves future practice sessions for everyone.

FAQs

What is five card Omaha?

It is an Omaha poker format where each player receives five private cards. A final hand must use exactly two private cards and exactly three community cards.

Can I use three cards from my hand?

No. The rule is fixed. You must use two private cards only, even when three or more private cards look helpful.

What card format should I enter?

Use rank plus suit. Examples include As, Kh, Td, 9c, and 2s. Tens may be entered as T or 10.

Does the calculator support incomplete boards?

Yes. You may enter zero, three, four, or five board cards. Missing board cards are sampled from the live deck during simulations.

What does equity mean here?

Equity is the estimated average share of the pot. Wins, chops, and losses are counted across the selected simulation trials.

Are opponent hands range based?

This version samples random legal five-card Omaha hands. You can still model tighter situations by adding known dead cards and changing opponent counts.

Why use a random seed?

A seed lets you repeat the same simulated deal sequence. That helps when comparing settings without random variation changing every result.

What do the downloads include?

The CSV and PDF reports include inputs, best hand details, win rates, equity, estimated return, outs, board texture, and distribution rows.