Calculator

Paid Acquisition CAC
calculator.

Calculate CAC by channel and compare against your LTV ceiling.

How we calibrated this
Used in growth audits to triage channel investments.
Inputs

Tell us about your project.

This is a static reference card. For interactive calculators, talk to us — we tune the assumptions per client.

Channel
  • Google Search1×
  • Meta Ads0.85×
  • LinkedIn Ads2.2×
  • TikTok Ads0.7×
Average CPM (USD)

Range: 1–200 USD · Default: 25 USD

Average CTR

Range: 0.1–10 % · Default: 1.5 %

Landing-to-paid conversion

Range: 0.1–20 % · Default: 2 %

How it's calculated

The formula.

CAC = CPM / 1000 / CTR / conversion

Output

CAC

Effective customer acquisition cost.

Output

Required LTV for 3:1

Minimum LTV to justify the CAC.

Output

Channel verdict

Healthy, marginal, or unsustainable.

Want a real estimate?

This is a band,
not a quote.

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