5 Card Omaha (PLO5) Odds Calculator
5 Card Omaha (also called PLO5 or Big O) takes Pot-Limit Omaha and adds a fifth hole card. This one extra card dramatically increases the number of possible hand combinations, creating a game where equity calculations are virtually impossible without a calculator. If PLO is complex, PLO5 is exponentially more so.
Why PLO5 Is a Niche Worth Playing
Five Card Omaha is one of the fastest-growing poker variants in home games and on online poker sites. It appeals to action players because the extra card means more draws, more made hands, and bigger pots. It appeals to serious players because the field is weak. Most opponents have no idea how to evaluate their hand strength with five hole cards.
The game follows the same rules as standard PLO: you must use exactly two of your hole cards and exactly three community cards to make your best five-card hand. The difference is that five hole cards create 10 possible two-card combinations (compared to 6 in PLO4 and 1 in Hold'em).
The Combinatorial Explosion
Numbers tell the story of why PLO5 needs a calculator:
- Hold'em: 1 two-card combination from your hole cards. 1,326 possible starting hands.
- PLO4: 6 two-card combinations. 270,725 possible starting hands.
- PLO5: 10 two-card combinations. Over 2.5 million possible starting hands.
Each of those starting hands interacts with the board differently. Evaluating equity across all combinations, for all players, across all possible runouts, is a problem that only Monte Carlo simulation can solve efficiently.
How PLO5 Equity Differs from PLO4
The extra card in PLO5 creates important strategic differences:
- Equities are even closer. The best PLO5 hand against the second-best rarely exceeds 60% equity preflop. In multiway pots, the favorite might only have 25-30% equity.
- Nut hands are mandatory. With 10 two-card combinations per player, someone at the table almost always has the nuts or a near-nut hand. Second-best hands lose more frequently and more expensively than in PLO4.
- Draws are even more powerful. More hole cards mean more draws are possible simultaneously. A hand can have a flush draw, a wrap straight draw, and a set redraw all at once.
- Preflop hand selection shifts. Hands with five coordinated cards (suited aces with connected cards, double-suited hands with pairs) are premium. Random high-card hands that work in Hold'em are garbage in PLO5.
Why Manual Calculation Fails in PLO5
In Hold'em, you can count outs and use the rule of 2 and 4. In PLO4, experienced players can estimate equity roughly. In PLO5, manual estimation is essentially impossible. Your 10 two-card combinations each have different outs, and those outs overlap and conflict in ways that are not intuitive.
For example, one combination of your hole cards might have a flush draw while another has a straight draw, but the cards that complete one draw might kill the other. Without a calculator, you cannot accurately assess your overall equity.
How Handsight Handles PLO5
Handsight detects all five hole cards per player plus the community cards through your phone camera. The AI recognizes cards regardless of deck design, lighting, or angle. Once detected, the Monte Carlo engine evaluates all 10 two-card combinations per player across thousands of simulated runouts.
Results appear in under two seconds. You see each player's win, tie, and loss percentage, updated as the turn and river are dealt. Save hands to review later and study how your equity shifted throughout the hand.
Handsight supports up to 6 players in PLO5, covering the standard table size for this format. Everything runs on-device with no internet required, no data leaves your phone.
Calculate PLO5 Odds Instantly
Download Handsight and get real-time equity for 5 Card Omaha. AI card detection handles the complexity so you can focus on the game.
