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CAC Payback Calculator — Months to Recoup

Free CAC payback calculator. CAC ÷ (ARPU × gross margin) = months to recover. Target: under 12 months for healthy SaaS.

CAC Payback Period

Monthly gross profit / cust

$75

Payback period

6.7 months

Healthy SaaS: CAC payback under 12 months. Above 18 months you're burning cash for too long before each customer turns profitable — slow your growth or fix the unit economics.

About this tool

Why 12 months matters

Healthy SaaS: CAC payback under 12 months. Above 18 months you're burning cash for too long before each customer turns profitable — either slow your growth or fix the unit economics.

How to use the CAC Payback Period Calculator

Takes about a minute. No signup, no download, your data stays in your browser.

  1. 1
    Open the tool. Scroll up to the CAC Payback Period Calculator above — it loads instantly in your browser, no install needed.
  2. 2
    Enter your values. The fields come pre-filled with realistic defaults so you can see how it works — replace them with your own numbers.
  3. 3
    Read the result. The output updates instantly. Copy or share it — nothing is uploaded to a server, everything stays on your device.

Frequently asked questions

Common questions about the CAC Payback Period Calculator.

Is the CAC Payback Period Calculator free to use?

Yes. The CAC Payback Period Calculatoron 7BusyBoss is completely free — no signup, no paywall, no usage cap.

Do I need to sign up to use the CAC Payback Period Calculator?

No. The CAC Payback Period Calculatorworks instantly in your browser — no account needed. Signing in with Google is optional and only unlocks features like saving favorites and higher AI build limits.

Does the CAC Payback Period Calculator work on mobile?

Yes. Every tool on 7BusyBoss is mobile-responsive and works in any modern browser — Chrome, Safari, Firefox, Edge — on phones, tablets and desktops.

Is my data safe when I use the CAC Payback Period Calculator?

Yes. The CAC Payback Period Calculatorruns entirely in your browser — your inputs never leave your device unless the tool explicitly fetches public data (e.g. currency rates). We don't store the values you type.

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