What you will find here
The Technology & SaaS calculator area groups the calculations used for recurring Technology & SaaS decisions. Each page explains the model, shows the working inputs and connects the result to related tools and longer form guidance.
Technology & SaaS calculators
Use this category when you already know the business question but need a consistent way to quantify it. Start with the closest calculator, check the definitions and move to the related pages when the decision requires more context.
Keep calculations comparable by using the same period, unit basis and definitions. A category page is an index into the models, not a substitute for reviewing the assumptions behind a result.
How to choose the right calculator
Begin with the decision, not the metric. Identify what you are trying to change, compare or validate, then select the calculator whose inputs match the question. When two models look similar, review their formula and output definition before choosing between them.
The category also includes variations for more specific searches. Those pages exist when the user intent changes materially, so long form explanations can address a narrower business context without turning one page into an overloaded reference.
SUBCATEGORIES
Narrow the library by subcategory.
Start with the broad category when the decision is still open. Choose a subcategory when you already know the part of the work that needs attention.
CALCULATOR LIBRARY
Technology & SaaS calculators
Open the calculator that matches the decision you are reviewing. Focused sub-calculators are included where the broader model has a recurring narrower question.
Calculator
App Cost Calculator
App Cost uses number of screens, design cost per screen, development cost per screen.
Calculator
App Development Cost Calculator
App Development Cost uses number of key screens, design cost per screen, development cost per screen.
Calculator
ARR Calculator
ARR uses monthly recurring revenue.
Calculator
Monthly Churn Rate Calculator
Monthly Churn Rate uses customers lost, customers at start.
Calculator
MRR Calculator
MRR uses new mrr, expansion mrr, contraction mrr.
Calculator
Net Revenue Retention Calculator
Net revenue retention includes expansion and subtracts contraction and churn from the starting cohort.
Calculator
SaaS Churn Rate Calculator
SaaS Churn Rate uses customers lost, customers at period start.
Calculator
SaaS Growth Rate Calculator
Measure the change in MRR (monthly recurring revenue) between two observations. Keep one-time revenue outside both values.
Calculator
SaaS LTV:CAC Calculator
SaaS LTV:CAC uses saas ltv, cac.
Calculator
SaaS Runway Calculator
SaaS Runway uses cash available, monthly burn.
Calculator
Website Cost Calculator
Website Cost uses number of pages, design cost per page, development cost per page.