## Zoho Inventory Documentation Index Access the complete documentation index at: https://www.zoho.com/om/inventory/llms.txt Use this file to discover all available documentation pages before proceeding. [Back](./) # When does my stock on hand for an item increase? **When stock on hand is calculated using shipment orders and receives:** The stock in hand for the items in your inventory increases when a **Receive**(purchase receive) is created for the items delivered to you by your vendors. **When stock on hand is calculated using Invoices and Bills:** The stock in hand for the items in your inventory increases when a bill is raised for your items. Bills can be raised from purchased orders in ‘**Issued**’ status, from purchase receives or you can directly create a bill for your vendors.