10 Slice Pie Chart Maker
Last reviewed on 2026-05-22.
Most readable visualizations cap at 6. Here's how to handle 10 anyway.
Build a 10 slice chart anywayDon't, unless you really have to
10 slices is well past the point where a pie chart still works as a chart. Comprehension drops to near zero, labels overlap, color palettes run out of distinct hues, and the part-to-whole story disappears in the noise. The honest recommendation is: use a horizontal bar chart, a treemap, or aggregate to 5–6 categories.
When 10 is genuinely unavoidable
If your audience expects to see 10 specific named items (top 10 countries, 10 product lines, 10 spending categories), and splitting into two charts isn't acceptable, a 10-slice pie can technically work for decorative purposes. For analytical purposes, it can't.
Color is the biggest problem
10 visually distinct colors are hard to find. Most palettes top out at 8–10 qualitatively different hues, and many of them become indistinguishable in print or for colorblind viewers. If you must build a 10-slice chart, use a palette like ColorBrewer's Set3 (12 qualitative colors designed for this) and add a thin white border between adjacent slices to help separation.
The case for splitting into two charts
Two 5-slice charts side by side communicate the same information more clearly than one 10-slice chart. Split by a meaningful dimension — first 5 vs second 5 by size, or category A items vs category B items — and let the audience compare across the two.
Heads up: If your 10-slice pie has been requested by an executive, build the pie + a bar chart side by side and let them choose. Most decision-makers will pick the bar chart once they see them next to each other.
Better alternatives
- Horizontal bar chart — handles 10 categories cleanly with precise labeling.
- Treemap — visualizes 10+ categories in a fixed area with proportional rectangles.
- Two pie charts side by side — split your 10 into two meaningful groups.
- Aggregate to 6 — group the smallest 5 into 'Other'.
Frequently Asked Questions
Can a pie chart have 10 slices?
Technically yes. Practically, no — comprehension drops to near zero past 6 slices. Use a horizontal bar chart or aggregate to fewer categories.
What's the absolute maximum for a pie chart?
6 slices is the safe ceiling. 8 is workable for decorative use. 10+ should always be a bar chart, treemap, or aggregated to fewer categories.
Why is 10 slices so much worse than 6?
Each additional slice adds a color to distinguish, a label to fit, and an angle to compare. The cognitive load grows non-linearly. Past 6, the chart stops being readable at a glance.