Divide units sold by transactions to get UPT, the core measure of attachment and cross-sell.
The arithmetic mean divides the total by the count. It is the right summary when values are roughly symmetric; when a few large values dominate, prefer the median. The units per transaction per transaction is the unit that makes totals comparable between periods of different size.
Units Per Transaction
Units Per Transaction = Units sold ÷ Transactions
Units Per Transaction = Units sold ÷ Transactions The arithmetic mean divides the total by the count. It is the right summary when values are roughly symmetric; when a few large values dominate, prefer the median.
The units per transaction per transaction is the unit that makes totals comparable between periods of different size.
This calculator takes 2 inputs: Units sold, Transactions. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.