Mihsaba›Finance›Click-Through Rate Calculator

Click-Through Rate Calculator

Calculate click-through rate and clicks per thousand impressions for reports with compatible definitions and periods.

Starting values are an editable worked example.

How to use

Calculate click-through rate and clicks per thousand impressions for reports with compatible definitions and periods.

  1. Enter Number of clicks.
  2. Enter Number of impressions.
  3. Calculate, then review the results and method assumptions.

How it is calculated

CTR = clicks ÷ impressions × 100

Example

100 clicks from 20,000 impressions give CTR of 0.5%, equivalent to 5 clicks per thousand impressions. With 200 clicks and the same impressions, CTR is 1%.

Important notes

This is an event ratio, not a unique-person probability or purchase rate. It can exceed 100% if a report counts multiple clicks per impression. A higher rate alone does not establish traffic quality or sales.

Worked examples and interpreting results

100 clicks from 20,000 impressions give CTR of 0.5%, equivalent to 5 clicks per thousand impressions. With 200 clicks and the same impressions, CTR is 1%.

Worked examples and interpreting results
CaseCalculationResult
Percentage100 ÷ 20000 × 1000.5 %
Per thousand impressions100 ÷ 20000 × 10005

How to check the result

This is an event ratio, not a unique-person probability or purchase rate. It can exceed 100% if a report counts multiple clicks per impression. A higher rate alone does not establish traffic quality or sales.

Frequently asked questions

Does a result of 0.5 mean 50%?

The displayed value is already a percentage. 0.5% means five clicks per thousand impressions.

Should I use reach instead of impressions?

Not for the CTR defined here. Reach counts unique people and changes the denominator’s meaning.

Does this convert currencies or import campaign data?

It uses only entered numbers, without import or currency conversion. Align currency, period and metric definitions in your source before entering values.