4. Customer Average Sales per Purchase: The average spend per purchase over a certain period. If you use an auto-billing model, this number will be super easy to project. Knowing your average sales per purchase number is especially helpful when comparing new and existing customer results. Existing customers almost always have higher average sales and higher frequency, if you find this not to be the case in your business it’s worth serious evaluation to figure out why.
Average Sales per Purchase Calculation:
Total sales over date range / total purchases made over same date range
See all 6 tips here