# CPC Calculator

## About CPC Calculator

The CPC Calculator is used to calculate the CPC (cost-per-click) based on CPM (cost per 1,000 impressions) and CTR (click-through rate). Also, the calculator allows you to calculate CPM or CTR based on the other two parameters.

## Terminology

**CPM**: The CPM stands for cost per thousand impressions is the rate to be charged or paid for every 1,000 times an advertisement is displayed. It is widely used to set pricing for banner ads.

**CTR**: The page click-through rate (CTR) is the number of ad clicks divided by the number of page views.

**CPC**: The cost-per-click (CPC) is the amount you earn each time a user clicks on your ad.

## Formulas

The formula for calculating CPM based on CTR and CPC is:

CPM = 1000 × CTR × CPC

The formula for calculating CPC based on CTR and CPM is:

CPC = CPM / (1000 × CTR)

The formula for calculating CTR based on CPM and CPC is:

CTR = CPM / (1000 × CPC)