Calculator
Convert between CPM, CPC and CTR instantly — enter any two and get the third, plus clicks and impressions.
Enter any two of CPM, CPC and CTR — the third is calculated instantly.
Formula: For every 1,000 impressions you get 10 × CTR% clicks. So CPC = CPM ÷ (10 × CTR%), CPM = CPC × 10 × CTR%, and CTR% = CPM ÷ (10 × CPC).
FAQ
For every 1,000 impressions you get 10 × CTR% clicks. So CPC = CPM ÷ (10 × CTR%). Enter any two of the three metrics and the calculator solves for the third.
CPC = CPM ÷ (10 × CTR%). At an $8 CPM and 1% CTR, CPC = 8 ÷ 10 = $0.80.
Click-through rate = clicks ÷ impressions × 100. It measures how often people who see your ad click it.
More free tools
View all →Work out campaign profit, ROI and ROAS from your ad spend, conversions and payout. Free, instant, no sign-up.
Calculate EPC (earnings per click) from your total earnings and clicks, and project revenue at scale.
Calculate your cost per acquisition (CPA) or cost per lead (CPL) from ad spend and conversions.
Calculate ROAS from revenue and spend, plus the break-even ROAS you need to hit given your profit margin.