Create a CM1% Custom Metric in Meta Ads Manager

Learn how to build custom metrics in your Meta Ads Manager dashboard to better track your specific business KPIs. This guide simplifies the process of creating complex performance calculations for improved reporting and data analysis.

Karolina Nowicki
10 steps
2 minutes

Facebook Ads Manager

Open the Meta Ads Manager: [adsmanager.facebook.com](https://adsmanager.facebook.com), then click "Columns: Performance" and select "Customize columns".

Click "Custom".

Click "+ Create custom metric".

Enter: - **Name:** CM1% - **Description:** Mable CM1 Share

Set the format to Percentage (%)

Click "Select metric" and search for CM1 AllCustomerPurchase (Custom Conversion) Conversion Value from the Custom Conversion menu

Select the ÷ (Division) operator

Click "Select metric" and search for AllCustomerPurchase (Custom Conversion) Conversion Value from the Custom Conversion menu.

Choose who should have access to the custom metric. Select: - **Only you** if the metric should only be available in your personal Ads Manager view. - **Everyone with access to this business portfolio** if other users should also be able to use the metric in Ads Manager and Ads Reporting.

Click "Create metric"