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CTR calculator: what share of viewers click your ad?

Click-through rate, or CTR, is the percentage of people who see an ad and click it, calculated as clicks divided by impressions, times 100. It signals how relevant your ad is to its audience. Compare CTR within the same channel and format, since norms differ widely.

CTR
1.5%

How does the ctr calculator work?

Borrowed from Media buying: CTR = clicks / impressions

CTR=ClicksImpressions×100\text{CTR} = \frac{\text{Clicks}}{\text{Impressions}} \times 100

CTR is an early signal of ad quality. A low CTR raises CPC in auction-based platforms, so improving it often reduces cost.

Worked example

A US campaign earns 450 clicks from 30,000 impressions, so CTR = 450 ÷ 30,000 × 100 = 1.5%.

How should I read my result?

Low CTR

The message or audience does not fit. Test new hooks and narrower targeting.

Typical CTR

Compare against your own past results in the same channel.

High CTR

Confirm that clicks convert. A high CTR with low conversion points to a page mismatch.

Embed this calculator

Add this calculator to your own page. The snippet includes a link back to the source.

Questions about ctr calculator

What is a good CTR?

It varies by channel and format. Search ads usually have far higher CTR than display ads.

Does CTR affect cost?

Yes, in auction platforms a higher CTR can lower CPC through better quality scores.

How do I improve CTR?

Test headlines, sharpen audience targeting and match the ad to the search intent.

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