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Free Customer Lifetime Value Calculator

Calculate customer lifetime value, LTV to CAC ratio and payback on acquisition cost.

Work out customer lifetime value, the ratio to acquisition cost and the payback period. It shows whether your marketing spend makes sense.

How to use the Customer Lifetime Value Calculator

  1. Select your country at the top of the page so the currency, tax names and rates match where you do business.
  2. Enter your numbers. Every result updates instantly and each line of the working is shown so you can check it.
  3. Use the PDF or print button to keep a record, and change one input at a time to compare scenarios.

What is the Customer Lifetime Value Calculator?

Quick, transparent maths helps you price, budget and plan taxes with confidence. Showing every step of a calculation makes the result easy to check and explain.

The Customer Lifetime Value Calculator is built for freelancers, small business owners and busy teams who want a professional result without installing software or creating an account.

Signplify tools run in your browser, so there is no signup, no watermark and no limit on how often you use it.

Getting started with the Customer Lifetime Value Calculator

Using the customer lifetime value calculator takes a minute or two. Your progress is saved in this browser, so you can come back later.

Tips for better results

Treat every result as an estimate. Real tax depends on your full circumstances such as other income, credits and deductions.

Try best and worst cases. Run the numbers with a slightly lower price or higher cost to see how safe your margin is.

Check the tax year shown under the result. Rates and thresholds change, and the calculator notes which year its figures come from.

Privacy and where your data goes

Documents and files you use here are processed on your own device. Signplify does not receive what you type or the files you open, which makes it suitable for sensitive information. If you clear your browser data, any saved draft is removed.

Frequently asked questions

What do I enter in the customer lifetime value calculator?

You enter Average Purchase, Purchases per Year, Years a Customer Stays, Profit Margin (%) and Cost to Acquire a Customer. The result updates as you type, so you can change one number and see the effect straight away.

What result does the customer lifetime value calculator give for example numbers?

With the starting example (Average Purchase $50, Purchases per Year 4, Years a Customer Stays 3, Profit Margin (%) 40 and Cost to Acquire a Customer $30), it shows Lifetime value (profit) of $240.00, along with Revenue per customer $600.00, LTV : CAC ratio 8.0 : 1 and Profit after acquisition cost $210.00. These are the US defaults; change the inputs to match your own situation.

Can I use the customer lifetime value calculator with another currency?

Yes. The Currency box above the form lets you show amounts in any of about 50 currencies for this calculator. The formula is the same, only the symbol and number format change.

How accurate is the customer lifetime value calculator?

It is an estimate based on the numbers you enter and the rates or formulas built into the tool. It is meant for planning and comparing options, so check important figures against official sources or a qualified professional before you rely on them.

Can I save or share the result from the customer lifetime value calculator?

Yes. Copy result puts the figures on your clipboard as text, and you can also download the result as a PDF or PNG, or print it. Your inputs are remembered in this browser for next time.

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