About this calculator

CTR = clicks ÷ impressions. CPC = spend ÷ clicks. CPM = spend ÷ impressions × 1000. All three are related — fix any two and the third follows.

Frequently asked questions

What does the CTR, CPC & CPM Calculator do?

Convert between CTR, CPC, CPM and impressions for any ad set. CTR = clicks ÷ impressions. CPC = spend ÷ clicks. CPM = spend ÷ impressions × 1000. All three are related — fix any two and the third follows.

Is the CTR, CPC & CPM Calculator free to use?

Yes. Every calculator on Calcurly.com is free, works in your browser without sign-up, and can be embedded on your own website.

How accurate is the CTR, CPC & CPM Calculator?

Results are calculated in real time using industry-standard formulas. Treat the output as a well-informed estimate — always cross-check with local regulations, product datasheets, or a qualified marketing & ads professional before committing to a purchase or a job.

What inputs does the CTR, CPC & CPM Calculator need?

Enter values for: Impressions, Clicks, Spend. Sensible defaults are pre-filled where possible so you can start with a single change.

Can I embed the CTR, CPC & CPM Calculator on my own website?

Yes — copy the iframe snippet at the bottom of this page, or use the Embed Generator to customise the size. The embedded version stays in sync with the live calculator on Calcurly.com.