Cash-runway planning works best when burn rate and ending cash are shown together instead of relying on a single runway estimate alone.

Runway months: 7.5
Burn rate: $6,000.00
Projected ending cash: $9,000.00

Cash on hand
$45,000.00
Monthly revenue
$18,000.00
Monthly expenses
$24,000.00
Forecast months
6

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Forecasting

Burn Rate Calculator

Use this when monthly burn is the metric you care about most and you want the runway implication shown with it.

This calculator helps operators focus on the burn side of the cash equation without losing the runway view entirely.

How to use this page

Start with your best current estimate, adjust the inputs until the result feels realistic, and use the related tools below when you want to pressure-test price, profit, or payout from another angle.

Estimate cash flow, burn, runway, and projected ending cash from monthly inflows and outflows.

Use the calculator with the examples below to test ideas quickly and come back to the same setup later.

Worked examples

Start from a realistic scenario

Each example opens the same calculator with shareable URL state.

Cash burn estimate

A business with monthly expenses above revenue measuring how quickly cash is being consumed.

5runway months

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FAQ

Quick answers

Short answers for the questions that usually come up first.

When should I use the burn rate calculator?

This calculator helps operators focus on the burn side of the cash equation without losing the runway view entirely.

Is this meant for exact accounting, tax filing, or bookkeeping?

No. It is a planning calculator built around your inputs so you can sanity-check pricing, profit, or cash decisions quickly.