Performance Calculators

CAC & LTV Calculator

Enter spend, new customers, AOV, margin and repeat rate — get CAC, LTV, LTV:CAC ratio and payback in months.

Healthy LTV:CAC starts with cheaper CAC. Xeli lowers CAC by generating creatives predicted to convert.

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CAC
$41.67
LTV
$171.60
LTV : CAC
4.12×
Payback (months)
5.8

Healthy at 4.12× LTV:CAC. Xeli helps pull CAC down by testing 10× more creatives, faster.

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Free to use on any site or blog post. Keep the attribution link — that's the only condition.

<iframe src="https://xeli.ad/embed/cac-ltv-calculator" width="100%" height="560" style="border:0;border-radius:16px" loading="lazy" title="Free CAC & LTV calculator by Xeli AI"></iframe>
<p><a href="https://xeli.ad/free-tools/cac-ltv-calculator">CAC & LTV calculator</a> by <a href="https://xeli.ad">Xeli AI</a></p>
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Free forever for stores under 10 SKUs — Xeli does this for your whole catalog, across every placement.

How to use CAC & LTV Calculator

  1. 1
    Enter acquisition spend

    Total paid spend for the period.

  2. 2
    Enter new customers

    Distinct new customers acquired.

  3. 3
    Add AOV, margin, repeat rate

    The calculator returns CAC, LTV, ratio and payback.

Who this is for

  • DTC founders modelling paid growth unit economics
  • Performance marketers presenting to founders and CFOs
  • Agencies benchmarking account-level LTV:CAC

Frequently asked questions

What's a healthy LTV:CAC?

3:1 is a common benchmark. Below 1.5:1 you're likely losing money per customer.

How is payback calculated?

CAC ÷ (AOV × margin × orders-per-month) = payback in months.

Embed CAC & LTV Calculator on your site

Free to use on any site — blog posts, client dashboards, internal wikis. Paste this wherever you want the calculator to appear. Keep the attribution line so your readers know where the numbers come from.

<iframe src="https://xeli.ad/embed/cac-ltv-calculator" title="CAC / LTV calculator" width="100%" height="560" loading="lazy" style="border:1px solid #e5e7eb;border-radius:16px;max-width:720px" referrerpolicy="no-referrer-when-downgrade"></iframe>
<p style="font:400 12px/1.5 system-ui,sans-serif">Free <a href="https://xeli.ad/free-tools/cac-ltv-calculator" target="_blank" rel="noopener">CAC / LTV calculator</a> by <a href="https://xeli.ad" target="_blank" rel="noopener">Xeli AI</a></p>

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Xeli helps you pull CAC down by producing and testing creatives at 10× the throughput of your team.

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