Range Advantage Analyzer
A free poker range calculator for the flop: see who has the equity edge and where it comes from.
Tap cells to edit. Editing makes it custom.
Presets fill the grid; the grid is the source of truth.
Knowing the edge is half the job. Using it is the other half.
Poker Shark deals you spots like this against opponents with real, exploitable tendencies, and shows you the leak when you miss the bet.
What is range advantage?
Range advantage means one player's overall range of hands connects better with the board than the other's. On a King-high dry board, the preflop raiser usually has more Kings, more overpairs, and fewer air combos than the caller, giving them an equity edge that justifies betting at a higher frequency.
Understanding range advantage helps you decide when to c-bet, when to check, and when your opponent is likely to fold, not based on your specific hand, but based on how both ranges interact with the board texture.
How to use this tool
- Select a matchup (e.g. BTN vs BB) or build custom ranges.
- Pick three flop cards.
- Results compute automatically. Change any board card to instantly re-analyze.
- The breakdown is sorted by impact: the category that most tilts the matchup appears first.
A worked example
Take BTN vs BB on Q94 rainbow. The button arrives with all the AQ, KQ, and QJ combos plus every overpair, while the big blind re-raises most of its best hands before the flop, so its calling range holds far fewer of them. The tool shows a clear button edge, driven mostly by the big blind's extra air and by the button holding more strong top pairs. That's a board where a small bet with the whole range makes money.
Now try a low, connected board like 7-6-5 with two hearts. The big blind holds straights like 43 suited and more gutshots, the button holds the 98 suited straights and every overpair, and the button's edge shrinks to a couple of points. Same preflop ranges, different board, different plan. Building that reflex is the point of the tool.
Range advantage by board
Precomputed button-versus-big-blind verdicts for 25 common flop textures, with the full category breakdown on every page.
Broadway boards
Middling connected boards
Low and wheel boards
Two-tone draw boards
Monotone boards
Trips boards
Frequently asked questions
What is range advantage in poker? +
Range advantage means one player's full range of possible hands has more equity on a given board than the other player's. It's about the whole range, not the hand you happen to hold. On a K72 rainbow flop the preflop raiser has range advantage because they arrive with more strong Kings and overpairs, while the caller's range is full of hands that missed.
What is the difference between range advantage and nut advantage? +
Range advantage is the overall equity edge. Nut advantage is about who holds more of the strongest hands on that board. They can point in different directions: on A72 rainbow the button keeps a clear equity edge while the big blind holds slightly more of the sets and two pairs. When your opponent has the nut advantage, big pots get dangerous even if your range is ahead on average.
Who has range advantage on low, connected boards? +
These are the boards where the big blind gets closest. Flops like 654 and 765 hit the connectors, one-gappers, and small pairs it calls with and miss the big cards the button opens, so the button's edge shrinks to a point or two, and against a big blind that also flats some of its suited connectors it can flip. This is why strong players slow down on these textures instead of firing a continuation bet by default.
How should range advantage change my c-bet strategy? +
With a clear range advantage on a dry board, you can bet small with almost your entire range, because every part of it profits. When the board favors the caller, check more often, including some strong hands, and use bigger sizes with a tighter range when you do bet. The per-category breakdown in this tool shows which hands drive the edge, which tells you whether a bet works for your whole range or just your best hands.
Is this range advantage analyzer free? +
Yes. No signup, no account, no paywall. It runs entirely in your browser.
Is this a poker range calculator? +
Yes. Enter two ranges and a flop and it calculates range vs range equity, the share of strong hands on each side, and a category breakdown. The analyzer name reflects the verdict it adds on top of those numbers.