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Free finance calculators
Short calculators for the numbers behind startups, property and your own money. Your inputs stay in your browser.
Built by Deimar Gutiérrez, Virtual CFO. About
Startups & business
Cash, hiring and the numbers a founder or operator answers for.
Runway calculator
How many months of cash you really have, with one bad month stress-tested.
- 1 min Quick · 4 min Detailed
- Beginner-friendly
- PDF report
More calculators on the way: Marketing & growth, Loans & debt, Real estate, Money rules.
Every calculation runs in your browser and the formulas are shown on each page. Estimates for general information, not financial, tax or legal advice. Terms · Privacy