Digital marketing calculators
ROAS & Target CPA.
Calculate return on ad spend and estimate a target CPA from monthly gross profit per customer and the payback period you can accept.
Browser-based tool
Use ROAS / CPA
Nothing you enter here is sent to a Website-Me server.
01 / use the tool
How to use ROAS / CPA
- Enter the values you know in the form.
- Run the tool and review the result alongside the notes below.
02 / interpret the output
What the result means
ROAS is revenue divided by spend. Target CPA is monthly gross profit multiplied by the selected payback period.
Important considerations
- ROAS does not account for margin unless you add it to the model.
- Target CPA is a planning threshold, not a guarantee.
Worked example
Use a small, realistic example first so you can see how the output changes when one input changes.
03 / continue working
Related tools
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.