Built for the CFO
Free Tool
Burn Rate Calculator
know how fast you're spending
Add your monthly expense lines and revenue to see your gross burn and net burn instantly. Everything runs in your browser.
Live calculation
No login
Always free
What you'll get
Live Data
Gross
Total monthly spend
Net
Spend minus revenue
Free
No login to compute
<30s
To your burn rate
Your monthly numbers
Monthly expenses
Total monthly income (MRR + other)
Results
Gross burn
$55,000/ month
Total cash going out the door each month, before revenue.
Net burn
$35,000/ month
Net cash you lose each month after revenue.
Connect your expenses and revenue once — your burn updates automatically.
Stop recalculating burn by hand
BurnRateOS pulls in your real expenses and revenue so your gross and net burn stay accurate without a spreadsheet.
Free runway tracking • No credit card required