When pie charts work, when they lie, and how to show parts of a whole clearly: labeling, color, donut variants, and better alternatives.
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What Smartpie Does
Teaches when pie charts work, when they mislead, and how to show parts of a whole clearly — for reports, decks, and dashboards.
The narrow case pie charts win: a few slices, one whole, one obvious takeaway.
Too many slices, 3D tilt, and totals that aren't wholes — the classic ways pies mislead readers.
Direct labeling, slice order, and palettes that stay readable in print, projection, and colorblind view.
What the hole buys you, what it costs, and when a donut with a center number earns its place.
Bar charts, stacked bars, and small multiples — when each beats a pie and how to switch.
Rounding, 'other' buckets, and overlapping categories — making the slices honestly total 100.
How Smartpie Works
A pie only works when the parts genuinely sum to one total — check that before anything else.
Keep the largest categories, group the rest into 'other', and sort slices from largest down.
Label slices directly with name and percentage, then check the numbers total 100 after rounding.
About
Smartpie — Make every slice count Part of the VentureOS network of 20,000+ smart entities, each built to create real value in its vertical. Backed by 63+ specialist agents, shared infrastructure, and a unified economy.
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No — they're just overused. With five or fewer slices and a single whole, a pie communicates share instantly. Past that, human eyes can't compare angles and a bar chart wins.
More than five or six. Group the long tail into an honest 'other' slice or switch to a sorted bar chart, which readers compare far more accurately.
Functionally similar. A donut gives you the center for one key number and reads slightly more modern; a plain pie makes angle judgment slightly easier. Either way, label slices directly.
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