SharePoint 2010 - How to check Site Collection Quota Usage

This article explains how to check the storage quota of a site collection.

Note: You must be a site collection administrator to have access to this information

1. Select Site Actions and then Site Settings

2. On the Site Settings page under the Site Actions heading, select Site Collection Web Analytics Reports

3. On the left navigation below Inventory, select Storage Usage under the Inventory heading to view current and historical information about your storage quota and usage.

Note: Files in the recycle bin are included in the site usage. You must empty the recycle bin to free up that space.