Free founder tools
Calculators for the numbers founders get asked about
MRR, churn, lifetime value, acquisition cost, runway, break-even and pricing, plus an MVP estimate and a launch-readiness score. No account needed. Everything runs in your browser: what you type is not sent or saved, and every formula is shown under its result.
The tools
Founder fit quiz
Ten questions about your skills, time and budget, scored against niches anyone can open.
Use them together
A simple order before you build
Start from your goal, then check that the cash lasts long enough to get there.
Count the customers
Turn a revenue goal and a price into a number of people you can picture.
Find break-even
See how many paying customers cover your monthly costs.
Check the runway
Make sure the cash lasts until break-even, with room to spare.
FAQ
About the founder tools
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