SaaS & Finance Tools

Calculators for people who build and run software

Free, fast, no sign-up. Each tool answers one question and shows its working. Nothing you type leaves your browser.

SaaS

SaaS Metrics Calculator

MRR, ARR, NRR/GRR, churn, ARPA, LTV, CAC, LTV:CAC, CAC payback and Quick Ratio from one screen of inputs.

More tools coming

This site is being built out one calculator at a time — freelance rate, cloud cost comparison, LLM API cost, crypto staking and others are on the way.