GRP Calculator

Calculate your gross rating point (GRP).

Your calculation result will show up here.

Reach Percentage:

Gross Rating Point:

What are gross rating points (GRP)?

GRP combines audience reach with average exposure frequency to describe the weight of an advertising campaign.

How to use this tool

Reach (%) = audience reached ÷ total audience × 100. GRP = reach (%) × frequency per viewer. Use a consistent audience definition and the average frequency among the people reached.

Example

Reaching 40,000 of a 100,000-person audience at an average frequency of three gives 40% reach and 120 GRP.

Understanding your result

GRP can exceed 100 because it counts repeated exposure. It is not the percentage of unique people reached and does not establish whether those exposures were effective.

Related tools: CPM Calculator · Market Penetration Rate Calculator.

Embed this calculator

Put this calculator on your website to increase visitor engagement and get more social shares!

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