Digital marketing calculators

LTV:CAC & Payback Period.

Use customer LTV, CAC and monthly gross profit to calculate two useful commercial checks: the value-to-cost ratio and a simple payback period.

Browser-based tool

Use LTV:CAC payback

Nothing you enter here is sent to a Website-Me server.

Use a contribution-based estimate where possible.
The cost to acquire one customer.
For subscriptions, ARPU × margin is a starting point.
Ready when you are.Enter values and run the tool to see the result.

01 / use the tool

How to use LTV:CAC payback

  1. Enter the values you know in the form.
  2. Run the tool and review the result alongside the notes below.

02 / interpret the output

What the result means

LTV:CAC is LTV divided by CAC. Payback is CAC divided by monthly gross profit.

Important considerations

  • Cohort and cash-flow timing are not modelled.

Worked example

Use a small, realistic example first so you can see how the output changes when one input changes.

03 / continue working

Move to the next relevant task without losing the context of this page.

04 / relevant support

Need help applying the result?

The tool is a useful starting point. Website-Me can help connect the next step to the wider site, SEO or GEO work.