Calculate your startup's monthly cash burn rate and runway. Know exactly how long your cash will last and when to raise your next round.
Business Cash Flow
Monthly expenses & revenue
$
💸 Monthly Expenses
$
$
$
$
$
📈 Revenue
$
%
Cash Runway
—
—
Gross Burn Rate
$—/mo
Gross Burn
—
Net Burn
—
Static Runway
—
Break-Even Month
—
Current Cash
—
Gross Monthly Burn
—
Monthly Revenue
—
Net Monthly Burn
—
Static Runway
—
Dynamic Runway (with growth)
—
Break-Even Month
—
Raise Alert Trigger
—
💡 VCs recommend raising when you have 6-9 months runway remaining. Start fundraising 6 months before you need the money.
FAQ
What is cash burn rate?
Cash burn rate is how much money a startup spends per month. Gross burn = total monthly expenses. Net burn = expenses minus revenue. A startup burning $100K/month with $500K cash has 5 months of runway.
What is a healthy runway?
Maintain 12-18 months of runway at all times. 6-9 months is a warning zone — start fundraising immediately. Under 6 months is critical. Most investors expect to see 18+ months of runway after a funding round.
When should I start fundraising?
Start fundraising when you have 6-9 months of runway remaining. Fundraising takes 3-6 months, so starting too late is a common startup mistake. The best time to raise is when you do not urgently need the money.
How do I reduce cash burn?
1) Prioritize revenue-generating activities. 2) Delay non-essential hires. 3) Negotiate SaaS subscriptions annually for discounts. 4) Switch to remote-first to eliminate office rent. 5) Focus marketing spend on highest-ROI channels only.