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

# Blended Add to Carts Value: Cross-Platform Cart Value

> Track the total monetary value of items added to cart attributed to your ads across Meta, Google, and TikTok. Measure cross-platform cart performance.

<Tip>
  Blended Add to Carts Value measures the total monetary value of items added to cart attributed to your advertising across all connected ad platforms.
</Tip>

## Formula

<Info>
  **Blended Add to Carts Value** = **SUM** ( Cart Value ) **ACROSS** All Channels
</Info>

### Formula Components

| Metric                                                                                                              | Definition                                            |
| ------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------- |
| **Meta Add to Carts Value**                                                                                         | Monetary value of items added to cart from Meta ads   |
| **Google Add to Carts Value**                                                                                       | Monetary value of items added to cart from Google ads |
| [**TikTok Add to Carts Value**](/reference/metrics/advertising/tiktok/tiktok-conversions/tiktok-add-to-carts-value) | Monetary value of items added to cart from TikTok ads |

| Metadata        |                                                                                                     |
| --------------- | --------------------------------------------------------------------------------------------------- |
| **Type**        | Currency                                                                                            |
| **Data Source** | [Meta Ads](/sources/facebook-ads), [Google Ads](/sources/google-ads), [TikTok Ads](/sources/tiktok) |
| **Aggregation** | Sum                                                                                                 |

***

## Example

Your ads drove **\$24,500 in cart value** this week across all platforms:

| Platform          | Add to Carts Value | % of Total |
| ----------------- | ------------------ | ---------- |
| Meta Ads          | \$14,200           | 58%        |
| Google Ads        | \$7,100            | 29%        |
| TikTok Ads        | \$3,200            | 13%        |
| **Blended Total** | **\$24,500**       | 100%       |

***

## How It Works

Blended Add to Carts Value aggregates the monetary value of all add-to-cart events attributed to your advertising across Meta, Google, and TikTok. Each platform reports the value based on their own attribution windows and models. This metric helps you understand the total cart value your ads are generating before checkout.

***

## When to Use

| Scenario                                 | Action                                            |
| ---------------------------------------- | ------------------------------------------------- |
| Measuring total ad-attributed cart value | Compare blended value against total ad spend      |
| Identifying high-value product interest  | Analyze which campaigns drive highest cart values |
| Forecasting potential revenue            | Use cart value to predict checkout conversion     |
| Comparing platform performance           | Break down by platform to see value contribution  |

***

## Related Metrics

| Metric                                                                                                                          | Relationship                                               |
| ------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------- |
| [Blended Add to Carts](/reference/metrics/advertising/blended/blended-conversions/blended-add-to-carts)                         | Count of add-to-cart events; this metric shows their value |
| [Blended Purchases Value](/reference/metrics/advertising/blended/blended-conversions/blended-purchases-value)                   | Revenue from completed purchases                           |
| [Blended Initiate Checkouts Value](/reference/metrics/advertising/blended/blended-conversions/blended-initiate-checkouts-value) | Value of checkout starts                                   |

[See all Blended Conversions metrics →](/reference/metrics/advertising/blended/blended-conversions)