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.

Burn Rate & Runway Calculator

Cash, revenue and expenses in — net burn and months of runway out.

Project your bank balance month by month and see when it turns negative. CSV download included.

Turn the take-home pay you want into the hourly and day rate you need to charge.

Gross burn, net burn and runway explained with worked examples.

Which contract-value metric to quote, and how each one is calculated.

FlowingPulse keeps your runway, burn rate and tax buffer up to date automatically. $4.99 once, yours for life.