Klantroef Growth Tools — Revenue & Unit Economics

CAC Payback Period Calculator

Months required to recover your acquisition cost.

Your inputs

Customer Acquisition Cost₹Monthly revenue per customer₹Gross margin%

Fill in every input on the left and your result will appear here instantly.

What it calculates

CAC payback tells you how long a customer must stay before you've recovered what you spent to acquire them — critical for cash-flow planning.

Formula & methodology

Payback (months) = CAC ÷ (Monthly Revenue per Customer × Gross Margin)

Example

A ₹6,000 CAC with ₹1,500 monthly revenue at 70% margin pays back in ~5.7 months.

Estimate the total value of a customer relationship.

The single most important ratio in growth economics.

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Klantroef turns these metrics into a bespoke growth system — strategy, campaigns and reporting included.