SaaS & growth

LTV to CAC Ratio Calculator

Compare a supplied lifetime contribution estimate with acquisition cost.

No sign-upBrowser-only calculationsFormula & methodology
01

Your numbers

Use one currency and the same reporting period. Sample values are filled in to help you start.

currency
currency

Your numbers stay in this browser.

02

Example result

LTV to CAC3×
Lifetime contribution after acquisition
600

Use contribution-based LTV for this comparison. Revenue-only LTV can overstate economic value. Estimates are sensitive to retention assumptions.

Understand the result

How to calculate it

LTV:CAC = lifetime contribution ÷ acquisition cost

Use contribution-based LTV for this comparison. Revenue-only LTV can overstate economic value. Estimates are sensitive to retention assumptions.

Worked example

This is an illustrative scenario, not a market benchmark. Select “Reset to example” to reproduce it in the calculator.

Lifetime contribution per customer
900 currency units
Customer acquisition cost
300 currency units

LTV to CAC: 3×

Common questions

LTV to CAC Ratio FAQ

Does a high ratio guarantee healthy growth?

No. Cash timing, payback period, cohort quality and the reliability of lifetime estimates also matter.

What does this calculation leave out?

Use contribution-based LTV for this comparison. Revenue-only LTV can overstate economic value. Estimates are sensitive to retention assumptions.

Are my inputs saved or sent to a server?

Calculations run in your browser. We do not send your inputs or results to our server or analytics. A comparison stays in this tab until it is refreshed. A CSV is saved only when you choose to download it. See our privacy policy for ordinary hosting and optional analytics data.

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