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Google CTR measures the percentage of people who saw your Google ad and clicked on it.

Formula

Google CTR = ( Google Clicks ÷ Google Impressions ) × 100

Formula Components

MetricDefinition
Google ClicksTotal number of clicks on your Google ads
Google ImpressionsTotal number of times your Google ads were displayed
Metadata
TypePercentage
Data SourceGoogle Ads
AggregationRatio

Example

A home goods store ran Google Search ads during a spring sale promotion:
CampaignImpressionsClicksCTR
Spring Bedding Sale45,0001,8004.00%
Outdoor Furniture32,0009603.00%
Kitchen Appliances28,0005602.00%

How It Works

CTR is calculated by dividing clicks by impressions and multiplying by 100. Higher CTR signals your ad copy and targeting resonate with your audience. Google uses CTR as a key factor in Quality Score, which affects ad rank and cost-per-click.

When to Use

ScenarioAction
Low CTR on search campaignsTest new ad headlines and descriptions
CTR varies by deviceAdjust bids or create device-specific ads
High impressions, low clicksRefine keyword targeting or audience
Comparing ad variationsUse CTR to identify winning creative

MetricRelationship
Google ClicksNumerator in CTR calculation
Google ImpressionsDenominator in CTR calculation
See all Google Clicks metrics →