LTV:CAC Ratio Calculator

What this calculator does

This ltv:cac ratio calculator is built for the moment you need a defensible number — quoting a client, comparing options, or checking someone else's math — not a generic estimate.

Compares customer value to acquisition cost — the fundamental unit-economics ratio.

Formula and worked example are shown in plain language below.

Result updates live as you type — no "Calculate" button needed.

Includes a copy-ready summary and printable PDF view.

Purpose-built for a specific decision — not a generic template.

How to use the LTV:CAC Ratio Calculator

Enter your values in the fields on the left.
Results update automatically.
Use the action buttons to copy, share or print.

The formula

Ratio = LTV / CAC

Worked example

$1,500 / $300 = 5:1.

Common mistakes

Ratio below 3:1
Ignoring payback period
Mixing gross and net metrics

When to use it

Use to judge marketing efficiency and scalability.

Pro tips for the LTV:CAC Ratio Calculator

The chart updates live — drag values up and down to build intuition for how the formula behaves.
Change one input at a time to see which lever actually moves the answer the most.
Round-trip check: reverse the inputs to confirm the formula matches what you'd compute by hand.

Frequently asked questions

›Good ratio?

3:1 healthy, 5:1+ excellent.

›Too high?

You may be under-investing in growth.

›Improve?

Increase retention, upsell, or lower CAC.

›Payback matter?

Yes — under 12 months preferred.

›Cohort or blended?

Cohort more accurate.

›How accurate is this ltv:cac ratio calculator?

The formulas match the standard textbook definition shown above. Rounding is applied only for display; underlying computation uses full floating-point precision. For regulated business & marketing decisions, always confirm with a qualified professional.

›Does the LTV:CAC Ratio Calculator store the numbers I enter?

No. All math runs locally in your browser — nothing is sent to a server, and closing the tab discards the inputs unless you save them to favorites.

Embed this calculator

Drop the LTV:CAC Ratio Calculator into your own site or blog post. Free to use — a small “Powered by CalcPilot” link is appreciated.

<iframe src="https://calcpilot.tools/calculators/ltv-cac-ratio-calculator?embed=1" width="100%" height="720" style="border:1px solid #e5e7eb;border-radius:12px;max-width:720px;" loading="lazy" title="LTV:CAC Ratio Calculator — CalcPilot"></iframe>