How is CPC calculated in AdWords?

CPC) is calculated by dividing the total cost of your clicks by the total number of clicks. Your average CPC is based on your actual cost-per-click (actual CPC), which is the actual amount you’re charged for a click on your ad. … CPC), which is the highest amount that you’re willing to pay for a click.

For More Information Please Refer: https://support.google.com/google-ads/answer/14074?hl=en