Data

Donut Chart Generator

Create donut charts from labeled values with configurable center hole.

Last validated: 2026-02-14

Donut Chart Generator converts labeled values into a ring-style chart that shows part-to-whole proportions while keeping a center area for totals or annotations. It is useful for executive summaries, dashboard callouts, and slide visuals where you want pie-style composition with a cleaner center focus. The tool accepts line-based input (`Label, Value`), computes percentages automatically, and lets you adjust hole size to fit your presentation style. Invalid rows are flagged and skipped to keep chart output reliable. Use it to communicate category composition in a compact, presentation-ready format.

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Input Pattern

Enter values in the left panel, keep units explicit, run the calculation, then copy or share the result. Invalid fields are highlighted immediately.

Donut Chart Inputs

Add one data point per line in Label, Value format.

Donut Chart

Total: 100

Total

100

Product A

42 42.00%

Product B

28 28.00%

Product C

18 18.00%

Product D

12 12.00%

How to use this tool

Enter chart title, set optional hole size, and add data lines as `Label, Value`.
Click `Generate Donut Chart` to render slices, legend, and total.
Fix any skipped-line issues and fine-tune hole size for your report layout.

Worked Example

Auto-generated from the tool's current default or entered inputs.

Example Inputs

Chart title: Donut Chart
Data points: Product A, 42 Product B, 28 Product C, 18 Product D, 12
Chart style: conic-gradient(#0f766e 0.0% 42.0%, #ea580c 42.0% 70.0%, #7c3aed 70.0% 88.0%, #2563eb 88.0% 100.0%)
Hole size: 58.0

Expected Outputs

Slices 0 value: 42
Slices 0 percent: 42
Slices 0 start percent: 0
Slices 0 end percent: 42

Interpretation

Slices 0 value is 42.0. Use this as a decision input, not as a standalone conclusion.
Slices 0 percent is 42.0. Use this as a decision input, not as a standalone conclusion.
Slices 0 start percent is 0.0. Use this as a decision input, not as a standalone conclusion.
Cross-check the result against one alternate input set to validate sensitivity.

Scenario Compare (A vs B)

Use this to compare two input sets and quantify change in key outputs.

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Donut Chart Generator

Input Pattern

Donut Chart Inputs

Donut Chart

How to use this tool

Worked Example

Example Inputs

Expected Outputs

Interpretation

Scenario Compare (A vs B)

Scenario A

Scenario B

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