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Customer acquisition payback / LTV:CAC Calculator

Free customer acquisition payback / ltv:cac calculator to calculate customer acquisition payback / ltv:cac. Instant results in your browser — no signup.

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Direct calculator

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Inputs

Enter the values, then calculate.

Results update when you click Calculate LTV:CAC.

Result

Primary answer and useful breakdowns.

LTV:CAC ratio

4.90:1

  • Customer LTV$588
  • CAC payback4.9 months
  • Monthly gross profit / customer$24.50
  • CAC$120

Benchmark

Healthy (≥3:1)

4.9

Strong

<11–3≥3
Balanced meals
30 min activity
Stay hydrated
7–8 hrs sleep

Screening only — not a medical diagnosis.

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What this result means

Free customer acquisition payback / ltv:cac calculator to calculate customer acquisition payback / ltv:cac. Instant results in your browser — no signup. LTV = ARPU × Margin × Lifespan. LTV:CAC = LTV ÷ CAC. Payback months = CAC ÷ (ARPU × Margin).

Assumptions

  • Rule dependency: Universal formula / market assumptions.

LTV & CAC

LTV = ARPU × Margin × Lifespan. LTV:CAC = LTV ÷ CAC. Payback months = CAC ÷ (ARPU × Margin).

Example

$120 CAC, $35/mo ARPU, 70% margin, 24-month lifespan → $588 LTV and 4.9:1 ratio.

Frequently asked questions

What LTV:CAC is healthy?+

Many SaaS teams target 3:1+ with payback under 12–18 months, but benchmarks vary by channel and churn.