Explore SaaS Metrics calculators and related business decision models on Martzine.
SaaS Metrics collects closely related calculations so you can move between specific models without returning to the top-level library.
These pages cover narrower SaaS Metrics questions and are intended to be opened when the standard calculator is not specific enough for the task.
Use the individual page for the formula, working inputs, examples, limitations and related long tail explanations.
Open the calculator that matches the decision you are reviewing. Focused sub-calculators are included where the broader model has a recurring narrower question.
Annual Recurring Revenue Calculator is built for Monthly recurring revenue. Start with one real case and keep the period and definitions consistent when you compare another case.
ARR Calculator gives you a repeatable way to check Monthly recurring revenue. Change one meaningful assumption at a time so the effect stays clear.
Run Monthly Churn Rate Calculator before the next business decision when you need to see Customers lost, Customers at start. Keep estimates separate from verified figures.
Monthly Recurring Revenue Calculator adds new and expansion MRR, then subtracts contraction and churn to show the month’s recurring revenue movement. Keep all four inputs on the same period.
MRR Calculator adds new and expansion MRR, then subtracts contraction and churn to show the month’s recurring revenue movement. Keep all four inputs on the same period.
Net Revenue Retention Calculator keeps the arithmetic in one place while you review Starting recurring revenue, Expansion revenue, Contraction revenue. The model is most useful when its assumptions remain visible.
Use SaaS Churn Rate Calculator when the question is Customers lost, Customers at period start. The result is easier to review when the source of each input is recorded with…
SaaS Growth Rate Calculator is built for Starting MRR, Ending MRR. Start with one real case and keep the period and definitions consistent when you compare another case.
Use SaaS LTV:CAC Calculator to work through SaaS LTV, CAC without hiding the inputs behind one final number. Review the definitions before using the result elsewhere.
Tell us what you are trying to build, what problem you are solving and where the digital part becomes difficult. Martzine is built around that gap. Start with the outcome and the constraint, then work back to the right digital layer.
