Viewability Calculator
Calculate ad viewability rate to measure impression quality
Number of impressions that met viewability standards
Total number of ad impressions served
Quick Examples:
Frequently Asked Questions
What's a good viewability rate?
Industry standard is 50-60% for display ads and 60-70% for video. Anything below 50% indicates significant waste in ad spend.
How is viewability measured?
It track whether at least 50% of an ad's pixels are in the viewable area for the required time (1 second for display, 2 seconds for video).
Should I pay for non-viewable impressions?
Many advertisers negotiate to only pay for viewable impressions (vCPM pricing) to ensure they only pay for ads that had a chance to be seen.
What is Viewability?
Viewability measures whether an ad had the opportunity to be seen by a user. According to the Media Rating Council (MRC) and IAB standards, a display ad is considered viewable when at least 50% of its pixels are visible on screen for at least 1 second (2 seconds for video ads).
How to Calculate Viewability
Viewability Rate = (Viewable Impressions / Total Impressions) × 100