Cash runway calculator with a thin-months warning

Two numbers in, one number out, and a verdict calibrated to the four-month line.

Calculator · FantasyLab ·

What it computes

Runway = cash ÷ burn. Use your highest recent burn month, not your cheapest. The runway guide explains why four months is the line.

of runway at current burn

This calculator runs in your browser on the numbers you type, and nothing is sent anywhere. The app works out the same answer from your actual deposits, so you don't have to remember or retype anything.

Keep reading

  1. 01How many months of cash does your business actually have?
  2. 02Pay yourself calculator: median and worst honest month
  3. 03Hire affordability calculator with a slow-month stress test

Counsel

Counsel does this math on your real numbers.

Connect Stripe, Square, Shopify, Etsy, QuickBooks or a bank feed, or drop in a CSV. Every answer comes with a receipt that shows the method, the sample size and how confident it is. When the math isn't conclusive, the app says so.

Get Counsel on the App Store Try the web demo

Every figure on this page is computed from Counsel's demo businesses or from the numbers you type in. None of them are made up. This is cash math, not tax or legal advice. Written and kept up to date by the founder.