Ad impression revenue

eCPM Calculator

Calculate eCPM from revenue and ad impressions. Estimate revenue per million impressions and impressions needed for a target revenue.

Formula eCPM = revenue / impressions x 1,000

eCPM measures revenue efficiency per ad impression, not pageview revenue.

$850.00 from 400K ad impressions equals $2.13 eCPM.

eCPM $2.13 Revenue per 1,000 ad impressions

Revenue per 1M impressions $2,125 Scaled from eCPM

Impressions for target 941.18K $2,000 target revenue

Formula eCPM = revenue / impressions x 1,000

How to use this calculator

Use eCPM when you are comparing ad networks, ad formats, or placements by impression-level revenue.

CPM is usually the buyer's cost per 1,000 impressions. eCPM is usually the publisher's effective revenue per 1,000 impressions.

What does eCPM mean?

eCPM means effective cost per mille, commonly used as revenue per 1,000 ad impressions.

How do I calculate eCPM?

Divide revenue by ad impressions, then multiply by 1,000.

Is eCPM the same as Page RPM?

No. eCPM uses ad impressions; Page RPM uses pageviews.