Gross Rating Points (GRP) Calculator
Result
Gross Rating Points (GRP) Calculator Calculate Gross Rating Points (GRP) for advertising media planning. GRP measures the cumulative audience impact of your media buy, helping advertisers compare campaign effectiveness, reach, and frequency across differe — free online calculator.
Formula
- Gross Rating Points (GRP) Calculator calculates its result from Frequency, Reach. It uses the formula GRP = (Reach % × Frequency) / 100, where 100 GRP = 100% audience reached once on average. Change any input to recalculate the result instantly.
- The main inputs are Frequency, Reach. Enter them in the units and format shown in the calculator.
- Use monetary amounts, rates and time periods exactly as labeled; the result reflects the assumptions entered on this page.
- Changing any input above recalculates the result with the same calculation engine used by this page.
Example: Gross Rating Points (GRP)
- Frequency: 2
- Reach: 3
Using Frequency = 2, Reach = 3, the calculated result is 0.0006.
Sample result: Calculating…
Frequently asked questions
What does the Gross Rating Points (GRP) calculate?
Gross Rating Points (GRP) Calculator Calculate Gross Rating Points (GRP) for advertising media planning. GRP measures the cumulative audience impact of your media buy, helping advertisers compare campaign effectiveness, reach, and frequency across differe — free online calculator.
Which values should I enter?
Enter Frequency, Reach using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: GRP = (Reach % × Frequency) / 100, where 100 GRP = 100% audience reached once on average.
Why might my result differ from another source?
Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.
Does the result update automatically?
Yes. Changing an input updates the result using the same calculation engine shown on this page.