Share of Search Calculator

Calculate share of search against competitors as a leading brand indicator.

About Share of Search Calculator

The share of search is the share of total category brand searches that searches for your brand represents, expressed as a percentage. The same figure is also shown per 1,000 and as a "one in every N" odds statement, which is easier to reason about when the rate is very small. Absolute counts hide scale — a rate normalises the number so you can compare periods, channels or cohorts of different sizes, where higher is better.

Formula

Share of Search

Share of Search = Searches for your brand ÷ Total category brand searches × 100

Searches for your brand: The subset being measured
Total category brand searches: The full population it is drawn from

Worked example

With the default values below, Share of Search Calculator returns Share of Search of 18.75%. Change any input above and every figure here is recalculated in your browser.

Inputs used

Searches for your brandminimum 0: 18,000
Total category brand searchesminimum 0: 96,000

Results

Share of Search: 18.75%
Remaining (whole minus part): 78,000
Equivalent per 1,000: 187.5
One in Every: 5.3

Step by step

1Values used
2Share of Search
3Share of Search= 18.75
4Remaining (whole minus part)= 78,000
5Equivalent per 1,000= 187.5
6One in Every= 5.3

Assumptions and limits

The result is derived only from the 2 inputs listed above. Anything not among them is not part of the calculation.
In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency 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.

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 Share of Search calculated?

Share of Search = Searches for your brand ÷ Total category brand searches × 100 The share of search is the share of total category brand searches that searches for your brand represents, expressed as a percentage. The same figure is also shown per 1,000 and as a "one in every N" odds statement, which is easier to reason about when the rate is very small.

Why does Share of Search matter?

Absolute counts hide scale — a rate normalises the number so you can compare periods, channels or cohorts of different sizes, where higher is better.

What values do I need to enter?

This calculator takes 2 inputs: Searches for your brand, Total category brand searches. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.