CPC / CPM / CTR calculator

Fill in whatever you know — spend, impressions, clicks, CTR, CPC or CPM — and the rest is worked out live. Great for planning a budget or comparing campaigns. Nothing is uploaded.

Currency
Ad spend
$
Total amount paid for the campaign.
Impressions
Times the ad was shown.
Clicks
Times the ad was clicked.
CTR
%
Click-through rate = clicks ÷ impressions.
CPC
$
Cost per click = spend ÷ clicks.
CPM
$
Cost per 1,000 impressions.

Summary

Enter a couple more values and the rest will appear here.

Marketing maths only (CTR, CPC, CPM) — not tax or accounting. Enter at least two numbers that fit together; conflicting values keep what you typed last.

Everything runs in your browser. No upload, no sign-up.

How it works

STEP 1

Type what you know

Enter any of spend, impressions, clicks, CTR, CPC or CPM. You usually only need two or three.

STEP 2

See the rest solved live

The calculator fills in every other metric instantly using the standard ad formulas, and marks which ones it worked out.

STEP 3

Copy or compare

Copy a clean summary for your report, or tweak one number to see the knock-on effect on the others.