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# How do we calculate the reorder quantity for bundle products?

Let's check how we calculate the reorder quantity for bundle products.
You can track the actual sales & the reorder quantity estimated for each child product in the bundles.

### How it works?
* When you enable the bundle setting in the app, we will replace all the lines of bundles in the report by its child products.
* Each child product (single product variant) can be sold directly or through bundles. So there are two columns of sales: units sold by singles and units sold by bundles (please refer in the Terms below).

### Terms

1. Units sold by singles: total units sold of child products/ single product variants in a period

2. Units sold by bundles: total units sold of child products included in the bundles.

```
[Units sold of bundle] x [Quantity of child product included in the bundle]
```
 

3. Total units sold: including both sales of single products and the bundles

```
[Units sold by singles] + [Units sold by bundle]
```

4. Average units sold per day: how many sales per day including both sales of a single product and bundles

```
[Total units sold] / [Time period (days)]
```