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

Marketing ROI Calculator

Calculate marketing ROI as the percentage return generated by marketing spend over the cost of that spend. Use it for executive-level marketing performance reporting, channel allocation decisions, and justifying marketing budget against business outcomes.

Revenue from Marketing ($)

Marketing Investment ($)

Fill in the required fields to see your result.

Business

Customer Acquisition Cost (CAC) Calculator

Calculate how much it costs to acquire one new customer by dividing total sales and marketing spend by new customers gained. The denominator of the all-important CLV:CAC ratio.

Total Marketing Spend ($)

Sales Expenses ($)

New Customers Acquired (customers)

Fill in the required fields to see your result.

Key differences

	Marketing ROI Calculator	Customer Acquisition Cost (CAC) Calculator
Category	Marketing	Business
Inputs required	2	3
Result	Marketing ROI (%)	Customer Acquisition Cost ($)
What it does	Calculate marketing ROI as the percentage return generated by marketing spend over the cost of that spend. Use it for executive-level marketing performance reporting, channel allocation decisions, and justifying marketing budget against business outcomes.	Calculate how much it costs to acquire one new customer by dividing total sales and marketing spend by new customers gained. The denominator of the all-important CLV:CAC ratio.