## The percentage of customers that have placed n order that also placed n-1 orders.

# Formula

nth Order Rate = Unique Customers with n Gross Orders / Unique Customers with n-1 Gross Orders

# Explanation

This KPIs can be used to calculated for example what percentage of customers that have placed a third order also have placed a fourth order.

In this case n=3 and thus the KPI would be called Third Order Rate.

But n can be any positive number.

# Notes

The

*2nd Order Rate*is the same as the New Customer Repurchase Rate and while it can be used like this, we will always use the terminology*New Customer Repurchase Rate*in this scenario.The nth Order Rate is used when looking at Repeat Customer behaviour. The complete repurchase rate of repeat customers is called Repeat Customer Repurchase Rate. The

*nth Order Rate*is used to look at subsets of this KPI