Ad Frequency Calculator

Divide impressions by reach to get average frequency and check it against effective-frequency guidance.

About Ad Frequency Calculator

Below the effective frequency threshold a campaign is largely wasted because the message never registers; far above it, extra exposures produce fatigue rather than recall. The wasted-impressions line quantifies the overshoot. Frequency capping is one of the highest-return settings in any media plan, and it can only be set sensibly once current frequency is measured.

Formula

Ad Frequency

Frequency = impressions ÷ reach

effective frequency: Minimum exposures before a message registers, conventionally about three

Worked example

With the default values below, Ad Frequency Calculator returns Average Frequency of 4.00. Change any input above and every figure here is recalculated in your browser.

Inputs used

Impressions deliveredminimum 0: 1,000,000
Unique people reachedminimum 1: 250,000
Target effective frequencyaccepts 1–20 x: 3 x

Results

Average Frequency: 4.00 x
Gap to Target Frequency: -1.00 x
Impressions Needed to Hit the Target: 750,000
Impressions Beyond the Target Frequency: 250,000
Verdict: In the effective range

Step by step

1Values used
2Ad Frequency
3Average Frequency= 4.00 x
4Gap to Target Frequency= -1.00 x
5Impressions Needed to Hit the Target= 750,000
6Impressions Beyond the Target Frequency= 250,000
7Verdict= In the effective range

Assumptions and limits

The result is derived only from the 3 inputs listed above. Anything not among them is not part of the calculation.
In particular, this calculator does not take inflation, tax or fees or charges into account.
Figures are rounded for display to 2 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
This is an estimate for general information and not professional financial, tax or legal advice. See the full disclaimer for the limits that apply to this kind of calculator.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Frequently Asked Questions

How is Ad Frequency calculated?

Frequency = impressions ÷ reach Below the effective frequency threshold a campaign is largely wasted because the message never registers; far above it, extra exposures produce fatigue rather than recall. The wasted-impressions line quantifies the overshoot.

Why does Ad Frequency matter?

Frequency capping is one of the highest-return settings in any media plan, and it can only be set sensibly once current frequency is measured.

What values do I need to enter?

This calculator takes 3 inputs: Impressions delivered, Unique people reached, Target effective frequency. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.