# Donut Pie Chart

Leaving a blank inner space in the FlexPie, creates a Donut Pie Chart.

## Content



The [InnerRadius](/componentone/api/blazor/online-blazor/dotnet-api/C1.Blazor.Chart/C1.Blazor.Chart.FlexPie.InnerRadius.html) property of FlexPie class can be used to leave a blank inner space in the FlexPie, creating a Donut Pie Chart. The blank space can be used to display additional data.

The following image shows a donut FlexPie.

![DonutChart](https://cdn.mescius.io/document-site-files/images/f5b600ba-f1a7-4f89-a20c-aa6c0c35880d/images/donutpienew.png)

The following code example demonstrates how to set this property. This example uses the sample created in the Quick Start section.

```razor
InnerRadius="0.5"
```