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Unit Economics Calculator

Calculate CAC, LTV, payback period, and contribution margin in one clean spreadsheet. Works in Excel and Google Sheets.

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What's inside

CAC Calculator

Blended and per-channel customer acquisition cost with automatic weighted averages.

LTV Analysis

Lifetime value based on ARPU, gross margin, and churn rate with LTV:CAC ratio.

Payback Period

Months to recover CAC — the metric investors check first.

Contribution Margin

Per-unit margin after variable costs. See exactly what you keep per customer.

Ready to Use

Yellow cells for inputs, white cells for formulas. Plug in your numbers and go.

Excel & Sheets

Works in Microsoft Excel, Google Sheets, and any compatible spreadsheet app.

Need more depth?

Our premium templates go further — full P&Ls, 36-month projections, SaaS metrics dashboards, and more.