Startup & SaaS
CAC Payback Period Calculator
Often more actionable than LTV:CAC because it doesn't depend on forecasting churn years into the future.
FreeNo sign-upRuns in your browser
$
$
%
- CAC payback period
- 8 mo
Under 12 months is strong, 12–18 is workable, beyond 24 makes growth dependent on external capital.
How it works
- 1Enter CAC, average revenue per account and gross margin
- 2See the payback period in months
Who this is for
- Assessing how fast a growth motion can self-fund
- Comparing payback across acquisition channels
- Setting a payback-period ceiling for new spend
More tools
More in Startup & SaaS
LTV:CAC Ratio Calculator
Calculates the LTV:CAC ratio and flags whether it's in a healthy range.
Startup & SaaS
Burn Multiple Calculator
Calculates capital efficiency as net burn divided by net new ARR.
Startup & SaaS
CAC Calculator
Calculates Customer Acquisition Cost from sales and marketing spend.
Startup & SaaS
LTV Calculator
Calculates Customer Lifetime Value from average revenue, margin and churn.
Startup & SaaS
MRR Calculator
Builds Monthly Recurring Revenue from new, expansion, contraction and churned components.
Startup & SaaS
ARR Calculator
Converts recurring contract values to Annual Recurring Revenue.
Startup & SaaS
Ask AI about Internet Compass