👁️ Viewability Calculator
Calculate your digital advertising viewability percentage using measurable impressions and viewable impressions. This free viewability calculator is designed for publishers, advertisers, AdOps teams and digital advertising professionals.
What Is Ad Viewability?
Ad viewability measures whether an advertisement had an opportunity to be seen by a user. It is an important digital advertising metric for publishers, advertisers and AdOps teams when evaluating advertising inventory and ad placement performance.
How Is Viewability Calculated?
Viewability percentage is calculated by dividing viewable impressions by measurable impressions and multiplying the result by 100.
Example
If a website records 100,000 measurable impressions and 70,000 of those impressions are viewable, the viewability rate is:
How to Use the Viewability Calculator
Enter your measurable impressions and viewable impressions into the calculator above and select Calculate Viewability. The calculator will display your viewability percentage along with the number of viewable and non-viewable impressions.
Why Is Ad Viewability Important?
Viewability can help publishers and advertising teams understand how often ads have an opportunity to be seen. It can also provide useful information when evaluating page layouts, ad placements and advertising inventory.
What Are Measurable Impressions?
Measurable impressions are impressions for which viewability measurement is possible. The measurable impression count is used as the denominator when calculating the viewability rate.
What Are Viewable Impressions?
Viewable impressions are measurable impressions that meet the applicable criteria for being considered viewable. The number of viewable impressions is used as the numerator in the viewability calculation.
Viewability and Publisher Monetization
Publishers use advertising metrics such as viewability, impressions, CPM, eCPM and fill rate to understand advertising inventory performance. Viewability can be particularly useful when evaluating different ad placements and page layouts.
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Frequently Asked Questions
What is ad viewability?
Ad viewability measures whether an advertisement had an opportunity to be seen by a user. It is an important metric for publishers, advertisers and AdOps teams evaluating digital advertising performance.
How is viewability calculated?
Viewability is calculated by dividing viewable impressions by measurable impressions and multiplying the result by 100.
What is the viewability formula?
The formula is: Viewability % = (Viewable Impressions ÷ Measurable Impressions) × 100.
Why is ad viewability important?
Viewability helps publishers and advertising teams understand how often advertisements have an opportunity to be seen and can help evaluate ad placement and inventory performance.
Can I use this for digital advertising?
Yes. This calculator can be used to calculate viewability percentage from measurable and viewable digital advertising impressions.