Plan Smart with the Yitz Stern Startup Working Capital Calculator

The Startup Working Capital Calculator is a streamlined planning tool inspired by Yitz Stern’s two decades of experience helping entrepreneurs secure the funding they need to grow. It estimates the cash cushion your business needs to survive—and thrive—based on real expense and revenue inputs. Whether you’re pre-launch or scaling fast, this calculator delivers clarity in three quick steps.

How to Use the Calculator

Step 1 — Monthly Expenses: Enter your rent, payroll, marketing, and software costs.

Step 2 — Revenue & Runway: Provide your current monthly revenue, expected growth rate, and the number of months of runway you’d like to secure.

Step 3 — Capital Required: Instantly see your monthly burn, total working capital needed, projected break-even month, and tailored guidance.

Benefits of Using This Web Tool

• Strategic clarity: Know exactly how much funding to raise—no guesswork.
• Confidence in conversations: Walk into investor or lender meetings with hard numbers.
• Identifies break-even: See when revenue growth catches up to burn.
• Beautiful, distraction-free interface: Sliders make scenario testing fun.
• Mobile-ready: Plan from anywhere.

Frequently Asked Questions

Who is this calculator for?

Founders, freelancers, and small business owners at any stage.

What does “working capital” mean here?

The total cash needed to cover expenses beyond what revenue produces during your chosen runway window.

Can it model rapid growth?

Yes—adjust the growth rate slider to model scenarios from flat to hypergrowth.

Is my data saved?

No. Every calculation happens locally in your browser.

What if my burn exceeds my revenue forever?

The tool flags that and recommends exploring alternative funding solutions.

In Conclusion

Capital is the lifeblood of every startup. The Yitz Stern Startup Working Capital Calculator helps you protect that lifeblood with intentional, data-backed planning. In just a few clicks, you’ll know exactly what your venture needs to keep moving forward—powerfully and predictably.