The average amount that you’ve been charged for a click on your ad. Average cost-per-click (avg. CPC) is calculated by dividing the total cost of your clicks by the total number of clicks. … CPC), which is the highest amount that you’re willing to pay for a click. Here’s an example of how to calculate your average CPC.
For More Information Please Refer: https://support.google.com/google-ads/answer/14074?hl=en