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How to Calculate the Burn Rate of Your Startup

Burn Rate
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Understanding your burn rate is crucial for startups and established businesses alike. It helps measure how fast your company spends its cash reserves and indicates how long you can operate before needing additional funding. In this blog, we'll explore the concept of burn rate, how to calculate it, and why it’s important for your financial health.

Table of Contents

What Is Burn Rate?

Burn rate refers to the rate at which a company spends its available cash. It’s a key metric for startups, especially those not yet generating a profit. It helps businesses track their expenses and determine how long they can sustain operations before raising more funds or becoming cash-flow positive.

Types of Burn Rate:

  • Gross Burn Rate: Total cash outflow in a month.
  • Net Burn Rate: The difference between cash inflows and outflows.

How to Calculate Burn Rate?

The burn rate is typically calculated monthly. Here’s a simple formula:

Burn Rate = (Starting Cash - Ending Cash) / Number of Months

For example, if your company starts with $500,000 and ends with $400,000 after three months, your burn rate would be:

Burn Rate = (500,000 − 400,000 ➗3) = $33,333 per month 

What Is Cash Burn Rate Formula?

The cash burn rate formula is straightforward. It considers the beginning and ending cash balances and the number of months you measure the burn rate.

Formula: Cash Burn Rate = (Starting Cash - Ending Cash ➗ Time Period ) 

Burn Rate

Why Is Burn Rate Important for Startups?

Startups rely heavily on burn rate to assess their financial runway — the amount of time they can continue operating before they run out of cash. A high burn rate means the company will need to raise additional funds sooner, while a lower burn rate may extend the runway, providing more time to generate revenue.

How to Reduce Burn Rate?

Reducing the burn rate can help extend your financial runway, giving your business more time to succeed. Here are some ways to lower your burn rate:

  • Cut unnecessary expenses: Analyze your spending and eliminate non-essential costs.
  • Negotiate better deals: Try renegotiating contracts with suppliers or vendors to reduce expenses.
  • Increase revenue: Explore new revenue streams or enhance current ones to improve cash flow.

What Is the Average Burn Rate for Startups?

The average burn rate varies across industries and company stages. However, most experts suggest that startups aim for a 6-12 month runway. Early-stage startups may have a higher burn rate due to initial product development and marketing investments.

IndustryAverage Burn Rate
SaaS$50,000/month
Retail$30,000/month
Fintech$70,000/month
E-commerce $40,000/month

How to Track and Forecast Burn Rate?

Regularly tracking your burn rate helps you identify spending trends and make informed financial decisions. Use financial tools and accounting software to monitor your cash flow. Forecasting your burn rate can help you plan for future funding rounds or budget cuts.

Burn Rate vs Runway: What’s the Difference?

Burn rate is how fast you spend money, while runway refers to how long you can keep running your business with the available cash. To calculate your runway, use this formula:

Runway = Cash Balance / Burn Rate

For example, if your business has $200,000 in cash and a monthly burn rate of $20,000, your runway is ten months.

What is a good burn rate for startups?

A good burn rate allows a startup to operate for 6-12 months without additional funding. It varies depending on the industry and growth stage.

How can I calculate my burn rate?

Use the formula:


Burn Rate = Starting Cash - Ending Cash / Period

How do I reduce my burn rate?

Cut non-essential expenses, renegotiate contracts, and explore new revenue streams.

Burn Rate

Profitjets and Burn Rate Management

At Profitjets, we help businesses monitor and optimize their financials, including burn rate management. Our team of experts offers tailored Accounting Services, CFO Services, and Bookkeeping Services to ensure you have the tools and insights to manage your cash flow effectively. Whether a startup or an established business, we can help you maintain a healthy burn rate and extend your financial runway.