Free cashflow tools for founders and freelancers
Everything here runs in your browser, needs no signup, and never sends your numbers anywhere. Start with a calculator, then read the guide behind it.
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Burn Rate & Runway Calculator
Cash, revenue and expenses in — net burn and months of runway out.
OpenTool
12-Month Cash Flow Forecast
Project your bank balance month by month and see when it turns negative. CSV download included.
OpenTool
Freelance Rate Calculator
Turn the take-home pay you want into the hourly and day rate you need to charge.
OpenGuide
How to Calculate Burn Rate & Runway
Gross burn, net burn and runway explained with worked examples.
OpenGuide
SaaS Metrics: ACV vs ARR vs TCV
Which contract-value metric to quote, and how each one is calculated.
OpenFrom the blog
- How to Calculate Cash Runway as a FreelancerA freelancer-specific runway formula, a worked example, and a practical way to handle unpredictable client payments.
- Unpaid Invoices Are Not Runway: A Freelancer's Cash TestYour invoice total is not your bank balance. Model a late-paying client without pretending the money has arrived.
- How Many Slow Months Can Your Freelance Business Survive?Three scenarios turn a vague fear about the next quiet month into a timeline and a decision you can act on.
- Burn Rate vs Cash Runway: The Difference That Kills StartupsGross burn, net burn, and runway explained with worked numbers — plus the five accounting mistakes that make a founder's runway look longer than it is.
- How to Extend Cash Runway: 14 Moves That Actually Buy MonthsFourteen levers ranked by how many months of runway they realistically buy — from collections and payment terms to pricing, hiring pace, and the tax buffer founders forget.
- Burn Rate Benchmarks & Burn Multiple: What Good Looks LikeStage-by-stage burn benchmarks, the burn multiple formula, and the runway thresholds that quietly decide whether your next raise happens.
Stop rebuilding the same spreadsheet
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