Media & Data
Intermediate

Gross Rating Points (GRP)

Total advertising weight of a campaign against the whole audience.

Formula

GRP=Reach(%)×FrequencyGRP = \text{Reach}\,(\%) \times \text{Frequency}

Variables

Reach% of audience reached
FrequencyAverage exposures per person

Example

Reach 40% × frequency 3 = 120 GRPs

Did You Know?

GRPs can exceed 100 because they count total exposures, not unique people.

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