Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Cost Per Acquisition Calculator

Calculate cost per acquisition (CPA) by dividing marketing spend by the number of new customers (or conversions) acquired. Use it as a primary efficiency metric for paid acquisition channels and a key input for sizing acquisition budgets against customer lifetime value.

Marketing Spend ($)

New Customers Acquired

Fill in the required fields to see your result.

Business

Customer Lifetime Value Calculator

Estimate the total profit a customer generates over their entire relationship with your business. The key number for deciding how much you can afford to spend acquiring customers.

Average Monthly Revenue per Customer ($)

Customer Lifespan (months)

Profit Margin (%)

Fill in the required fields to see your result.

Key differences

	Cost Per Acquisition Calculator	Customer Lifetime Value Calculator
Category	Ecommerce	Business
Inputs required	2	3
Result	Cost Per Acquisition ($)	Customer Lifetime Value ($)
What it does	Calculate cost per acquisition (CPA) by dividing marketing spend by the number of new customers (or conversions) acquired. Use it as a primary efficiency metric for paid acquisition channels and a key input for sizing acquisition budgets against customer lifetime value.	Estimate the total profit a customer generates over their entire relationship with your business. The key number for deciding how much you can afford to spend acquiring customers.