Enter the total cost of the items and the quantity into the calculator to determine the cost per quantity.

Cost Per Quantity Formula

The following equation is used to calculate the Cost Per Quantity.


  • Where CPQ is the cost per quantity ($/quantity)
  • TC is the total cost ($)
  • TQ is the total quantity

To calculate the cost per quantity, simply divide the cost by the quantity.

What is a Cost Per Quantity?


Cost per quantity defines the average cost of one unit of quantity. The quantity can be a single piece or a group of pieces.

How to Calculate Cost Per Quantity?

Example Problem:

The following example outlines the steps and information needed to calculate Cost Per Quantity.

First, determine the cost of the lot. In this example, the cost is calculated to be $1,000.00.

Next, determine the quantity. This lot has a total quantity of 400 items.

Finally, calculate the cost per quantity using the formula above:


CPQ = $1000.00/400

CPQ = $2.5 / quantity