---
title: "Why does my 'On Hand' not calculate correctly on my Shopping List?"
slug: "why-does-my-on-hand-not-calculate-correctly-on-my-shopping-list"
description: "On Hand shows 0 on a shopping list until items appear on two inventory counts at least 45 days apart."
updated: 2024-07-10T19:28:42Z
published: 2024-07-10T19:28:42Z
canonical: "docs.restaurant365.com/why-does-my-on-hand-not-calculate-correctly-on-my-shopping-list"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.restaurant365.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Why does my 'On Hand' not calculate correctly on my Shopping List?

When using a [Purchase Orders: Use Shopping Lists](/doc/docs/purchase-orders-use-shopping-lists), the 'On Hand' amount may appear to be calculated incorrectly due to the fact that it displays a '0' for one or more items. It is important to keep in mind that the 'On Hand' field is calculated based on historical usage, so it does **not** pull the most recent Inventory Count.

![](https://cdn.us.document360.io/5c9d1111-0c69-4e96-8910-d7f2750fdc9d/Images/Documentation/722d5c8e-ccbe-4d6b-bd78-53547f4d35d2.png)

The system **pulls prior Inventory Counts** to figure out how much of an item is used for **every $1,000** in Sales. It then takes the most recent Inventory Count, looks to see how much there has been in Sales since that Inventory Count, and subtracts the Usage per $1,000 number from the most recent Inventory Count to theoretically calculate the 'On Hand' values.

To work successfully, the items need to appear on t**wo inventory Counts which are dated a minimum of 45 days apart.** This allows the system to get a good look at usage over a period of time to make that calculation.