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Radial Chart (Concentric Activity Rings)

Concentric multi-track radial bar chart for visualizing multi-resource allocation, activity metrics, and capacity levels.

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Customization Guides & Code Snippets

◆Concentric Multi-Track Circles in Recharts

Set innerRadius='25%', outerRadius='100%', startAngle={90}, and endAngle={-270} on <RadialBarChart> to create Apple Watch style activity rings.

<RadialBarChart cx="50%" cy="50%" innerRadius="25%" outerRadius="100%" barSize={14} data={data} startAngle={90} endAngle={-270}>
  <RadialBar background={{ fill: 'rgba(255, 255, 255, 0.05)' }} dataKey="value" cornerRadius={8} />
</RadialBarChart>

◆Rounded Caps on Radial Progress Bars

Pass cornerRadius={8} directly to <RadialBar> to produce smooth pill-shaped ends on each circular progress ring.

When to use a Radial Chart (Concentric Activity Rings)

A Radial Chart (Concentric Activity Rings) is ideal for developers and designers who need to display data clearly and effectively. Use this chart type when:

  • ✓Comparing values across multiple categories (e.g. monthly revenue per region)
  • ✓Showing ranked data where order matters (e.g. top 10 products by sales)
  • ✓Displaying survey results or poll responses
  • ✓Visualizing before/after comparisons
Tips for Recharts Radial Chart (Concentric Activity Rings)
TIP 1Always start the Y-axis at zero to avoid misleading comparisons
TIP 2Use rounded corners (radius prop) for a modern, polished look
TIP 3Add a Tooltip component so users can see exact values on hover
TIP 4Use Cell components to color individual bars differently
TIP 5For long category names, switch to a horizontal bar chart layout
Key Recharts Props
PROPTYPEDESCRIPTION
dataarrayArray of objects with your data values
dataKeystringThe key in your data objects to use for bar height
fillstringBar color — accepts hex, rgb, or CSS variable
radius[number,number,number,number]Corner radius [topLeft, topRight, bottomRight, bottomLeft]
stackIdstringGroup bars with the same stackId into a stacked bar
Frequently Asked Questions

What is a radial chart?

A radial chart displays quantitative values along concentric circular tracks radiating from a central origin. It is famous for fitness activity rings and multi-resource capacity monitors (e.g. CPU, RAM, Storage, and Network utilization).

How do you build a concentric radial chart like Apple Watch activity rings in React?

Use Recharts <RadialBarChart> configured with innerRadius='25%', outerRadius='100%', startAngle={90}, and endAngle={-270}. Pass cornerRadius={8} to <RadialBar> to produce clean rounded pill caps on each circular ring.

When should you choose a radial chart over a standard bar chart?

Choose a radial chart when you have 3 to 5 multi-track percentage metrics (0–100%) and want an eye-catching, compact circular visualization that saves vertical dashboard space.

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