# Creating a Chain Unit of Measure

> Source: https://help.getedara.com/en/articles/5296928-creating-a-chain-unit-of-measure · Category: Warehouse › Unit of measures · Last updated: 2026-05-04 · العربية: https://help.getedara.com/ar/articles/5296928-%D8%AA%D9%83%D9%88%D9%8A%D8%AF-%D8%B3%D9%84%D8%B3%D9%84%D8%A9-%D9%88%D8%AD%D8%AF%D8%A9-%D9%82%D9%8A%D8%A7%D8%B3

Flexibility and efficiency are among the goals of "Edara" for business operations. The ability to create a chain of units of measure is one of the features that achieve that.

Learn how to implement this process below.

## Creating a chain unit of measure

A chain unit of measure is a group of related units of measure, The units of measure are assigned to a main unit of measure at the chain level, and then the items are linked to a chain of units of measure.

You can create this type of unit of measure by following these steps:

1. Go to the warehouse module
2. Open "Unit of measures"
3. Choose "Chains"

> **Note:** When selecting a unit of measure chain, a message will appear to warn you that it is not possible to change the type of units of measure once a transaction related to this choice has been created.

![Creating a chain unit of measure — Choose "Chains"](https://help.getedara.com/images/warehouses/5296928/01.en.gif)

1. Click " **New** "
2. Enter the name of the chain
3. Click on the (+) sign to add a unit of measure
4. Enter the details for each unit (name and ratio)
5. Specify the main unit for the chains and the ratios to it

> **Note:** It is preferred that the ratio of the main unit be one and for the main unit to be the smallest unit in the units of measure.

1. Click " **Save** "

![Creating a chain unit of measure — Click "Save"](https://help.getedara.com/images/warehouses/5296928/02.en.gif)