> ## 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.

# Subscription Recurring Purchases: Repeat Subscription Orders

> Track repeat subscription orders from existing subscribers. Measure subscription retention.

<Tip>
  Subscription Recurring Purchases counts repeat orders from existing subscription customers.
</Tip>

## Formula

<Info>
  **Subscription Recurring Purchases** = **COUNT** ( subscription\_recurring\_purchase events )
</Info>

### Formula Components

| Metric                                       | Definition                                  |
| -------------------------------------------- | ------------------------------------------- |
| **subscription\_recurring\_purchase events** | Events fired for repeat subscription orders |

| Metadata        |                         |
| --------------- | ----------------------- |
| **Type**        | Number                  |
| **Data Source** | [Upstack Pixel](/pixel) |
| **Aggregation** | Count                   |

***

## Example

Your subscription box business tracked **2,137 subscription\_recurring\_purchase events** in January.

| Metric                 | Value | Notes                   |
| ---------------------- | ----- | ----------------------- |
| All Purchases          | 2,560 | Total purchase events   |
| Subscription Recurring | 2,137 | Repeat orders           |
| Recurring % of Total   | 83.5% | Retention revenue share |

***

## How It Works

The Upstack pixel tracks subscription\_recurring\_purchase events for orders from existing subscribers. This represents retained subscriber revenue and measures subscription retention health.

***

## When to Use

| Scenario            | Action                                      |
| ------------------- | ------------------------------------------- |
| Retention tracking  | Monitor recurring order volume              |
| Churn analysis      | Compare recurring orders to subscriber base |
| Revenue forecasting | Project recurring revenue                   |
| Cohort retention    | Analyze retention by acquisition cohort     |

***

## Related Metrics

| Metric                                                                                                               | Relationship      |
| -------------------------------------------------------------------------------------------------------------------- | ----------------- |
| [Subscription Recurring Purchase Cost](/reference/metrics/funnel/conversions/subscription-recurring-purchase-cost)   | Cost attribution  |
| [Subscription Recurring Purchase Value](/reference/metrics/funnel/conversions/subscription-recurring-purchase-value) | Recurring revenue |
| [Subscription Initial Purchases](/reference/metrics/funnel/conversions/subscription-initial-purchases)               | New vs repeat     |

[See all Conversions metrics →](/reference/metrics/funnel/conversions)