How to use SaaS Metrics Calculator
- Enter MRR and customer count.
- Add monthly customer churn and gross margin.
- Enter CAC.
- Review ARR, ARPU, LTV, LTV:CAC, and payback.
Finance / Available
SaaS Metrics Calculator
MRR, ARR, ARPU, LTV, CAC, and payback in one compact view.
SaaS Metrics Calculator turns a handful of operating inputs into a transparent recurring-revenue economics snapshot, including ARR, ARPU, simplified customer lifetime, gross-margin LTV, LTV:CAC, and CAC payback.
What this tool is for
Core SaaS unit economics calculation
A SaaS metrics calculator for founders and operators checking recurring-revenue economics.
Useful for
- Convert MRR to ARR.
- Estimate ARPU and customer lifetime.
- Check LTV:CAC directionally.
- Estimate CAC payback.
What It Does
SaaS founders, operators, analysts, and small software teams.
Get directional unit economics without maintaining another spreadsheet.
Features
- MRR to ARR
- ARPU
- Simplified customer lifetime
- Gross-margin LTV
- LTV:CAC
- CAC payback
Intended Users
- SaaS founders
- Operators
- Analysts
Pricing And Access
Free
Free local browser utility.
Entitlement model: Free (free).
Privacy And Storage
Runs locally in your browser
Business metrics are calculated locally and are not saved by Toolkit.
Version
1.0.0
Updated 2026-09-27
FAQ
Is the LTV calculation exact?
No. It is a simplified directional estimate based on ARPU, gross margin, and constant monthly customer churn.
What is CAC payback?
This tool estimates how many months of gross-margin-adjusted ARPU are needed to recover customer acquisition cost.
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