Divide acquisition cost by monthly gross profit to see when a new customer turns profitable.
How to read the results
Spend divided by customers gives CAC, which is divided by monthly gross profit.
CAC payback period
Divide acquisition cost by monthly gross profit to see when a new customer turns profitable.
Built and reviewed by Dovanic, Founder and editor, FreeByteLast reviewed: 2026-08-18
$
$
70%
Payback period
8 mo
Cost to acquire
$333
- Gross profit per customer per month
- $41.3
- Profit in year one
- $162
- Spend per customer per week
- $76.98
Methodology
Spend divided by customers gives CAC, which is divided by monthly gross profit.
- · All spend is attributed to new customers
- · Margin holds steady
Estimates only. Nothing here is financial advice. Spotted something wrong? Tell us and it gets fixed.