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Finance Calculators

Cash Runway Calculator

Verified formula Updated Jun 2026 Private — runs on your device

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Verified formula Private

Runway

10.0

For general information only — not financial, tax, legal or medical advice. Verify before you rely on it.

How to use the Cash Runway Calculator

The Cash Runway Calculator works out your runway in an instant. Enter cash on hand and monthly net burn and the result updates as you type — it is free, needs no sign-up, and runs entirely in your browser so your figures stay private.

  1. Enter the cash on hand.
  2. Enter the monthly net burn.
  3. Read off your runway — the calculator updates automatically, with no button to press.

Formula

The Cash Runway Calculator uses the formula:

Runway = Cash on hand ÷ Monthly net burn

Worked example

For example, with cash on hand of 5,000,000 and monthly net burn of 500,000, the runway is 10.0.

Inputs used
Cash on hand 5,000,000
Monthly net burn 500,000
Results
Runway 10.0

Results are estimates for educational use, not professional advice.

Frequently asked questions

Divide cash on hand by monthly net burn. 5,000,000 cash with a 500,000 monthly burn lasts 10 months.

It is monthly cash spent minus cash earned, the rate at which your balance falls.

It shows how long you can operate before needing more funding or reaching profitability.

Cut costs, raise revenue, or secure funding before the runway runs out.

Enter the cash on hand. Enter the monthly net burn. Read off your runway — the calculator updates automatically, with no button to press.

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