Startup Runway Calculator
Estimate how long your business can survive based on cash and burn rate.
Startup runway details
This calculator auto-updates when values change.
This calculator is for general business information only and is not financial, tax, accounting, or legal advice.
Results
Results update automatically.
Estimated cash runway
6.3 months
With £250,000.00 in cash and a net burn of £40,000.00 per month, runway is about 6.3 months.
Visual breakdown
About This Startup Runway Calculator
This Startup Runway Calculator estimates how many months your cash balance can support your current burn.
It is designed for startup planning, fundraising timelines, and survival scenario checks.
How to Use This Calculator
- 1
Enter your figures
Add the relevant revenue, cost, customer, or pricing values.
- 2
Review the automatic results
The calculator updates immediately using the example values and any changes you make.
- 3
Compare the breakdown
Use the result cards and visual breakdown to understand the main drivers.
- 4
Adjust assumptions
Change inputs to test scenarios and targets.
Frequently Asked Questions
Does this calculator use live business data?v
No. It uses the values you enter and calculates results instantly in your browser.
Can I use this for forecasting?v
Yes, for quick scenario planning, but forecasts should be checked against real accounting data.
Does this include tax?v
No. It does not automatically include tax unless you enter tax or related costs as part of the inputs.
Is this financial advice?v
No. It is a general information tool for planning and estimation.