Trial Converted Cost: Ad Spend per Paid Conversion

Trial Converted Cost measures your advertising spend per trial that converts to a paid subscription.

Formula

Trial Converted Cost = Ad Spend ÷ Trial Converted

Formula Components

Metric	Definition
Ad Spend	Total advertising cost from connected ad platforms
Trial Converted	Count of trials converted to paid

Metadata
Type	Currency
Data Source	Upstack Pixel
Aggregation	Ratio

Example

You spent $5,000 on Meta ads in January and drove 107 trial conversions.

Metric	Value	Notes
Ad Spend	$5,000	Monthly advertising cost
Trial Converted	107	Paid conversions
Trial Converted Cost	$46.73	Cost per paying customer

How It Works

This metric divides your total ad spend by the number of trial conversions to calculate your true customer acquisition cost (CAC). This represents the full cost of acquiring a paying customer through your trial funnel.

When to Use

Scenario	Action
CAC optimization	Find channels with lowest customer acquisition cost
LTV/CAC analysis	Compare CAC against customer lifetime value
Channel profitability	Identify most efficient acquisition sources
Budget planning	Forecast spend needed for growth targets

Metric	Relationship
Trial Converted	The denominator in this calculation
Trial Converted Value	Revenue from conversions
Trial Started Cost	Cost at trial start stage

See all Conversions metrics →