CAC calculator

What can you afford to pay for a customer?

A free CAC calculator built on your own margin and customer value, not industry benchmarks. Enter your numbers and see your affordable acquisition cost, your target cost per lead, and how much headroom you have left.

How to read this

This isn’t a spend prediction. It works out the most you can afford to pay to win a customer, based on your own margin and repeat value. Hover the i icons for definitions.

Average order / customer price$

Gross margin%What is left after the direct cost of fulfilling the sale

Repeat purchase / LTV multiplierxLeave as 1x for first-purchase economics onlyProfit buffer to keep%Share of gross profit you keep rather than spend on acquisition

I generate leads before I get customers

What you pay per customer today$Optional. Add it to see how much headroom you have left.

Gross profit per customer

$72

Price × margin — profit on a single sale

Maximum affordable CAC

$54

Leaves 25% of gross profit as margin, rather than buying customers at breakeven

Add what you pay today

Enter your current cost per customer on the left and we’ll show how much headroom you have between what you pay now and what you can afford.

A starting point, not a guarantee - actual CAC depends on channel, creative and market.

Why affordable CAC, not a spend benchmark

There is no universal ad budget. What a competitor spends tells you nothing about what works for you, because it says nothing about their margin, their repeat rate or their price point. The only number that travels is your affordable CAC - and that comes from your own customer economics.

Read the full breakdown →

Want this applied to your actual account?

These numbers are a starting point. We’ll stress-test them against your real campaigns, funnel and market.

Book a call