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Burn Rate & Runway Calculator

Know exactly how long your money lasts

Most founders underestimate their burn rate until they're 6 months from zero. Enter your cash balance, monthly revenue, and expenses to see your exact runway — and model the month-by-month impact of revenue growth to see when you reach profitability.
$

Current monthly recurring revenue

$

Salaries, hosting, tools, contractors — everything

$

Realistic MoM growth % if you execute well

%

Net Monthly Burn

$20,000/mo

Simple Runway

8mo

Runway with 10% MoM Growth

9 months

Break-even at current growth

Month 17

⚠️ Out of cash before break-even at this growth rate

⚠️ Less than 12 months of runway

You should be actively fundraising or cutting costs now. Investors expect 18+ months of runway at the time of closing.

Net Burn Rate

Monthly expenses minus monthly revenue. This is what you actually spend from your bank account each month.

Simple Runway

Cash balance ÷ net burn rate. Assumes zero revenue growth — the pessimistic floor.

Runway with growth

Month-by-month simulation factoring in your MoM revenue growth. More realistic but depends on the growth assumption.

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