I have to create a dashboard to show how many opportunities created under lead

I have to create a dashboard to show how many opportunities created under lead

any idea how to create dashboard chart

To do this, start by exploring the Dashboard and learn the basics of how it works. After that, you can create a dashboard chart based on your specific scenario. Sometimes, the dashboard may not provide all the necessary information or may not fully meet your requirements. In such cases, you can create a server script report to track the needed data.

Also check this video.