How do you calculate CPM?

CPM = total cost ÷ impressions × 1,000. ₹5,000 for 250,000 impressions is a ₹20 CPM.

What does the M in CPM stand for?

Mille, Latin for thousand. CPM is the cost per thousand impressions.

What's the difference between CPM and CPC?

With CPM you pay for impressions, whether or not anyone clicks. With CPC you pay only when someone clicks. CPM suits awareness goals; CPC suits traffic and conversion goals.

Why do CPMs vary so much?

Audience targeting, placement, ad format, season and competition for the same audience all change CPM. Festive and holiday periods are usually the most expensive.

CPM Calculator · Calculators

CPM Calculator: Cost Per 1,000 Impressions

Find CPM, total campaign cost or the impressions your budget buys.

100% free
No sign-up
Runs in your browser

Your numbers

Total cost

Impressions

Result

CPM (cost per 1,000 impressions)

$25

Cost per impression

$0.025

Impressions per $100

4,000

Reach at this CPM
Budget	Impressions
$7,500	300,000
$15,000 (yours)	600,000
$30,000	1,200,000
$75,000	3,000,000

Read this

At $25 CPM, $15,000 buys about 600,000 impressions. CPM measures reach, not results, so pair it with CTR and CPA to judge a campaign.

CPM = cost ÷ impressions × 1,000. Cost = CPM × impressions ÷ 1,000. Impressions = budget ÷ CPM × 1,000. Calculated in your browser; nothing is stored.

How it works

How to use CPM Calculator

Choose whether you want to find CPM, total cost or impressions.

Fill in the two numbers you know.

Read the result and the reach table to plan your budget.

About

About this tool

CPM (cost per mille) is what you pay for 1,000 ad impressions. It's the standard pricing unit for display, video, social and connected-TV ads, and the easiest way to compare media quotes. ₹15,000 for 600,000 impressions is a ₹25 CPM.

This calculator works three ways. Find CPM from what you spent and the impressions you got; find the cost of a planned campaign from a quoted CPM; or find how many impressions a budget will buy. A small table shows how reach scales with budget at the same CPM.

CPM measures reach, not results. A cheap CPM on the wrong audience is poor value, so pair it with click-through rate and cost per acquisition when you judge a campaign.

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