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TikTok Cost per Lead (CPL) measures the average spend required to generate one lead from your TikTok ads.

Formula

TikTok Cost per Lead = TikTok Ad Spend ÷ TikTok Leads

Formula Components

MetricDefinition
TikTok Ad SpendTotal amount spent on TikTok advertising
TikTok LeadsNumber of lead events attributed to TikTok ads
Metadata
TypeCurrency
Data SourceTikTok Ads
AggregationRatio

Example

A B2B company spent $4,500 on TikTok lead gen ads in March and captured 150 leads.
MonthAd SpendLeadsCost per Lead
January$3,20080$40.00
February$3,80095$40.00
March$4,500150$30.00
March’s CPL of $30.00 shows a 25% improvement from better targeting.

How It Works

TikTok tracks lead events when users complete form submissions or sign-ups attributed to your ads. CPL divides total spend by lead events to show average acquisition cost.

When to Use

ScenarioAction
Evaluating campaignsCompare CPL across campaigns to find top performers
Budget allocationShift spend toward campaigns with lower CPL
Creative testingA/B test ad creatives and measure CPL impact

MetricRelationship
TikTok LeadsDenominator—total leads driving this calculation
TikTok CPASimilar efficiency metric for purchases
See all TikTok Conversions metrics →