Startup finance, explained simply
Free guides and tools for founders who don't have a CFO yet. No signup, no email gate — just the things we get asked about most.
Startup Runway Calculator
Enter your cash and monthly burn to see exactly how many months of runway you have — and the date you run out. Instant, shareable, nothing to install.
Open the calculator → GuideWhat Is Burn Rate? How to Calculate It
Gross vs. net burn, the formulas, worked examples, what counts as a "good" burn rate, and the five mistakes that make founders misjudge how much time they have.
Read the guide → TemplateThe Monthly Investor Update Template
A copy-paste format for monthly updates, what investors actually look for, the right cadence by stage, and the mistakes that quietly erode trust.
Get the template →Want these numbers to track themselves? Fintoit keeps your burn rate and runway live, forecasts cash flow six months out, and turns your monthly update into a review-and-send. See what's included.