SaaS Runway & Burn Rate Calculator

Calculate operating runway in months based on total cash reserves, monthly recurring revenue (MRR), and gross monthly burn.

100% Client-Side Privacy: All calculations, text transformations, and file operations run locally in your browser. No files or personal inputs are uploaded to external servers.

Startup Cash & Monthly Unit Economics

$500,000
$
$

Average monthly cash collected from subscribers.

$

Total operational cash out (salaries, servers, rent).

Net Monthly Burn
Gross Expenses minus Monthly Revenue
-$40,000 / mo

Growth & Dynamic Projection Rates

+6.0% / mo
0% (Flat) 5% (Healthy SaaS) 15% (Hypergrowth)
+2.0% / mo
0% (Hiring Freeze) 2% (Gradual) 8% (Aggressive Hiring)
Quick Scenario Stress Tests
Projected Runway
14.2 Months
Static: 12.5 months without growth
Zero Cash Date (ZCD)
Nov 2027
Approx. 430 days of operations
Current Net Burn
-$40,000 / mo
Revenue covers 38.5% of burn
Startup Health Status
Default Alive
Breakeven in Month 11

Month-by-Month Cash Burn Trajectory

Step-by-step cash balance evolution factoring MoM revenue growth and expense inflation.

Month Date Beginning Cash MRR Revenue Gross Expenses Net Burn Ending Cash
* Paul Graham framework: "Default Alive" means current cash lasts until MRR exceeds expenses at current growth rates. 100% Client-Side Engine

Informational & Educational Disclaimer

This tool is designed for informational and educational estimation purposes only. Calculations are based on user-provided inputs and standard mathematical formulas. For official tax, legal, or financial decisions, please consult certified professionals or official government publications.