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Customer Lifetime Value and CAC Calculator (LTV:CAC Ratio)

By Bilawal Hussain · 4 November 2026 · 2 min read
Customer Lifetime Value and CAC Calculator (LTV:CAC Ratio)

How much is a customer worth, and how much does it cost to win one? Calculate lifetime value, acquisition cost, the LTV:CAC ratio and payback months.

Open the free Customer Lifetime Value (CLV) & CAC Calculator →

What is the Customer Lifetime Value?

Customer lifetime value, acquisition cost, LTV:CAC ratio and payback months, for e-commerce or services. It's completely free, needs no sign-up and works on any phone or computer.

Screenshot of the Customer Lifetime Value (CLV) & CAC Calculator on ReadyToUse
The Customer Lifetime Value (CLV) & CAC Calculator, as it looks on ReadyToUse.

Why it's helpful

Who it's for

E-commerce owners, SaaS founders and marketers.

How to use it

  1. Enter order value, how often customers buy, margin and marketing spend.
💡 Pro tip: An LTV:CAC of around 3:1 is a common healthy benchmark.

💻 Open source: this tool is free and open source (MIT License). View the code on GitHub, download it and run it offline.

The bigger picture: Business

Running a business in the UAE means invoices with VAT, Corporate Tax, hiring costs and cash flow. Clear calculators and templates help founders and freelancers make better decisions before talking to an accountant.

What's changing: Since UAE Corporate Tax arrived, small businesses are paying closer attention to bookkeeping, invoices and planning, and Small Business Relief has been extended to tax periods ending on or before 31 December 2029.

Frequently asked questions

What is a good LTV:CAC?

Around 3:1 is a common benchmark; below 1:1 means losing money on each customer.

Ready to try it?
Use the Customer Lifetime Value (CLV) & CAC Calculator free →
No sign-up · Runs in your browser

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BH
Bilawal Hussain
Full-stack developer in Dubai and creator of ReadyToUse: free tools that just work. Connect on LinkedIn