SaaS Payback Period
Compute CAC payback months — how fast customers repay acquisition cost. Prove 12-month payback to investors — free, local, no signup.
How to Use the SaaS Payback Period
Similar Tools You Might Need
See allCAC Calculator
Divides total sales-and-marketing spend by the number of new customers acquired in the same period to produce a blended acquisition cost. Startups and growth teams use CAC to evaluate marketing channel efficiency, optimize ad spend, and benchmark against LTV.
ROAS Calculator
Compute return on ad spend from revenue and cost — know every dollar's payback. Prove 4:1 ROAS before scaling — free, local, no signup.
Burn Rate Calculator
Compute monthly burn and runway from starting balance, ending balance, and months elapsed. Know exactly how many months remain — free, local, no signup.
Profit Margin Calculator
Compute gross margin from revenue and costs — know exact profitability. A $30 sale at $20 cost margins 33% — free, local, no signup.
Indian Age Calculator
Calculate exact age in years, months, and days from day-month-year dropdowns with a target date. Includes eligibility check for Indian government age requirements.
Frequently Asked Questions
What's a good payback?
Under 12 months excellent, 12–18 acceptable, over 24 dangerous without strong retention. Payback plus gross margin tells the full story.
How is it computed?
CAC divided by monthly revenue per customer (MRR) — no margin factor, explicit Calculate click. Both presets (CAC $500/MRR $50 and CAC $1,000/MRR $100) give 10.0 months; under 12 reads Healthy.
Improving payback?
Cut CAC (channels), raise ARPA (packaging), or lift margins — in that speed order. Annual prepay pulls cash forward instantly.
Do payback figures upload?
No — math runs locally in your browser. Figures never leave your device.
Last updated October 2026