CAC is total acquisition spend divided by the number of new customers won in the same period.

Should CAC be lower than first-purchase gross profit?

Usually yes. If it is not, the business may need repeat purchases to rescue the economics.

Why does this calculator mix benchmarks and planning guides?

Because public CAC comparisons are more credible in some segments than others.

Customer Acquisition Cost Calculator

See what it costs to win one new customer, what a healthier CAC looks like, and how much spend you could save if acquisition gets more efficient.

IndustryUseful for physical stores that sell products in person.Monthly acquisition spendAd spend, promotions, agency fees, and other acquisition cost in the month.New customers in the monthThe number of first-time customers you gained.Gross profit per new customerThe gross profit from a typical first purchase.Target CAC as percent of gross profitThe share of first-purchase gross profit you are willing to spend to win a customer.

Result

Current CAC

$50

Target CAC

$30

Overspend per customer

$20

Monthly savings at target

$8,910

Industry benchmark

Compare your customer acquisition cost to the public range we use for retail store.

Benchmark range: $25 to $60Your result: $50

This range is a broad retail planning band based on published CAC examples for commerce businesses.

Source: Shopify, Customer acquisition cost by industry (April 2026)

What this means

CAC looks workable

Your CAC is not above the range we use for retail store

You are paying about $50 to win one new customer. Based on the gross profit you entered, a healthier CAC is about $30.

If you bring CAC down to that level, you could save about $8,910 per month at the same customer volume.

Want help improving this number?

If CAC is too high, the fix is usually faster follow-up, better conversion, and tighter targeting before you spend more at the top of the funnel.

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Industry benchmarks

Benchmarks and planning ranges used in this CAC calculator

This calculator uses a mixed model. Commerce segments use published-style comparison bands where data is more visible, while service-led segments use planning ranges.

The goal is still the same: acquisition cost should leave enough gross profit for the business to grow without starving itself.

IndustryUseful for physical stores that sell products in person.

Retail store

Useful for physical stores that sell products in person.

Benchmark range: $25 to $60

This range is a broad retail planning band based on published CAC examples for commerce businesses.

Source: Shopify, Customer acquisition cost by industry (April 2026)

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Calculator guide

How to use this CAC calculator

This calculator shows what it costs to win one new customer and how that compares with a healthier target based on gross profit.

Why CAC matters

A business can keep buying growth long after that growth stops being healthy.

CAC makes that visible by showing the cost of one new customer in plain dollars.

How to improve CAC

You can improve CAC by spending less, converting better, or improving lead quality before the sale.

The cheapest fix is often better follow-up and stronger conversion, not a bigger ad budget.