Free calculator
Cash runway calculator
Estimate how many months current cash can support after expected monthly cash inflows and outflows.
Reviewed by the Booksmrt bookkeeping teamLast reviewed 2026-07-27
Result
- Monthly net burn
- $10,000
- Estimated runway
- 5.0 months
Formula
Cash runway = cash on hand / (monthly cash outflows - monthly cash inflows)
When to use it
Use it for a quick operating-cash scenario when monthly net burn is positive.
What it does not prove
This is a planning estimate, not a cash forecast. Timing, seasonality, debt, taxes, restricted cash, and one-time items can change the result.
Sources
Keep learning
Cash flow statementA cash flow statement explains changes in cash from operating, investing, and financing activities.Cash receivedCash received is money deposited or otherwise collected, regardless of whether it is current-period revenue.Net profitNet profit is the amount remaining after recognized expenses are subtracted from revenue for a period.
Educational information only. Booksmrt provides bookkeeping services, not tax, legal, audit, or investment advice. Confirm material accounting and tax decisions with the appropriate professional.