FREE RUNWAY CALCULATOR

Estimate how long your cash could last.

Enter your cash, monthly activity and selected obligations to see a planning estimate and how the result changes when the inputs change.

  1. 01Cash input
  2. 02Monthly activity
  3. 03Selected obligations
  4. 04Runway estimate

All values are in US dollars. Change an input to see the estimate update; nothing entered here changes recorded RunwayCal data.

Monthly operating costs such as payroll, tools and rent

Revenue received during a typical month

Include selected obligations

GST, VAT, payroll tax, advance tax due in next 90 days

Revenue collected but not yet delivered or earned

Payroll obligations for next 3 months beyond monthly burn

Estimate after selected obligations

10.0 months

Based on an adjusted cash input of $500,000. Selected obligations change this estimate, not your recorded RunwayCal data.

Basic runway estimate

10.0 months

$500,000 divided by net burn

Difference between estimates

Add selected obligations to compare the estimates.

At current burn, the estimated cash-out month is August 2027

Cash waterfall

See how selected obligations change the estimate.

Follow the cash input through the obligations you selected, then read the adjusted input beside its runway estimate.

Bank / base cash$0

No obligations entered

ADJUSTED CASH INPUT$500,000
Runway10.0 months

Add selected obligations above to compare the estimates.

This is a planning estimate based on the values entered here. It is not RunwayCal's product-derived True Cash Position and is not a guarantee of what is safe to spend.

See how different assumptions change runway.

Try a hiring, revenue or cost change and compare the estimate before you commit.

Choose an assumption above to see how it changes the estimate.

A runway estimate is only as useful as the inputs behind it.

Basic estimateThis calculator
Cash divided by net burnCash, monthly activity and selected obligations
One set of valuesAssumptions you can change and compare
One resultBasic and obligation-adjusted estimates
Manual recalculationResults update as the inputs change
Output without contextInputs and calculation boundaries stay visible

A calculator can test arithmetic. A business decision still needs reviewed inputs, obligation timing, and a clear boundary between actual financial reality and a hypothetical case.

Need the estimate connected to the rest of the business?

RunwayCal connects cash, commitments, revenue, team costs, planning and reporting so the estimate is not isolated from the numbers behind it.

Frequently asked questions about runway.