Burn Rate Calculator
Calculate monthly burn and runway from cash spent over time.
See how it works
Watch a quick simulation of this tool in action — no file needed.
How to use Burn Rate Calculator
Follow these steps — everything happens instantly in your browser.
- 1
Step 1. Enter your starting cash balance.
- 2
Step 2. Enter your ending cash balance after the period.
- 3
Step 3. Enter the number of months elapsed.
- 4
Step 4. See monthly burn rate and runway (months until cash runs out).
Why use this tool
Frequently asked questions
Everything you might want to know about burn rate calculator.
Startup Runway Calculator
Months of cash remaining at current burn — with growth option.
ROI Calculator
Total and annualized return on any investment.
NPV Calculator
Net Present Value of an investment with cash flows and discount rate.
Payback Period Calculator
How long until an investment pays for itself.