# Master Overview: Metric Builders for Pinterest Ads

The Metric Builders for Pinterest Ads allow you to create Custom Metrics based on Report and Ad Analytics-related data. A summary of each Metric Builder for Pinterest Ads is outlined below, along with links to full documents outlining the functionality of each Metric Builder.

## How the Metric Builder for Report works

To track Report Metrics, like Spend by Campaign, Impressions, and Total ROAS by Ad Group, etc. during a specified Date Range, you'll want to use the Metric Builder for Report.

![Screenshot 2024-04-08 at 8.42.58 PM](/assets/master-overview-metric-builders-for-pinterest-ads_1.3b8c62b08cbad07269e8247ba6311a141f3a0a1b6dd7f8f2537560e325277fa9.4783b0ec.png)

This Metric Builder allows you to access Report Metrics.

Sample Custom Metrics: ''Spend by Campaign", "Impressions", "Total ROAS by Ad Group"

Learn more about the Metric Builder for Report [here](/overview-metric-builder-for-pinterest-ads-report).

## How the Metric Builder for Ad Analytics works

To track Ad Analytics based Metrics, like Engagement rate, Spend, and Impressions, etc. during a specified Date Range, you'll want to use the Metric Builder for Ad Analytics.

![Screenshot 2024-04-08 at 9.19.27 PM](/assets/master-overview-metric-builders-for-pinterest-ads_2.9939359cbd7b0a29fe5b6a1f35d3c062eed40198d0a7107e275b9413d760e496.4783b0ec.png)

This Metric Builder allows you to access Ad Analytics specific Metrics.

Sample Custom Metrics: ''Engagement rate", "Spend", "Impressions"

Learn more about the Metric Builder for Ad Analytics [here](/overview-metric-builder-for-pinterest-ads-ad-analytics).