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Acquisition Engine

CAC Calculator

Work out customer acquisition cost (CAC) from marketing and sales spend per new customer, and check it against LTV.

Part of our SaaS metrics guide: formulas, benchmarks and how each metric connects.

Acquisition Spend

Your CAC

$70

Total Spend

$7,000

Scale Factor

100

Industry Specific Versions

Tailored metrics and strategies for your specific business model.

Founder Growth Engine v2.0
S

For Startups

For startups, CAC is the price of growth. Every dollar you spend on marketing must return ...

Open Specialized Tool
B

For B2b Saas

B2B acquisition is a team sport. Between SDR prospecting, AE demos, and marketing whitepap...

Open Specialized Tool

More SaaS metrics calculators

Each metric feeds the next. See how they fit together in the SaaS metrics guide.

MRR calculator

Monthly recurring revenue from customers, price, churn and expansion.

ARR calculator

Annual recurring revenue from monthly and annual plans, without one-off fees.

Churn rate calculator

Customer churn and revenue churn for any period, plus the yearly cost.

Customer lifetime value calculator

Lifetime value from price, gross margin and churn, with LTV:CAC and payback.

SaaS valuation calculator

A valuation range from ARR, growth rate and profitability.

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|Last updated: May 14, 2026
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