What is free cash flow?

Published Monday 22 June 2026

Table of contents

• What is free cash flow?
• How to calculate free cash flow
• Free cash flow example
• Why free cash flow matters for small businesses
• Types of free cash flow
• Free cash flow vs cash flow, working capital, and liquidity
• Advantages and limitations of free cash flow
• How to improve free cash flow
• Manage your cash flow with Xero
• FAQs on free cash flow

Key takeaways

• Free cash flow (FCF) is the cash your business generates from operations after accounting for capital expenditures, showing how much cash is genuinely available for growth, debt repayment, or reserves.
• You can calculate FCF with a simple formula: operating cash flow minus capital expenditures. Both figures come from your cash flow statement.
• Positive free cash flow signals financial flexibility, while negative FCF isn't always a concern if you're investing strategically in long-term growth.
• Tracking FCF regularly helps you make informed decisions about when to expand, hire, or build a financial buffer for quieter periods.

What is free cash flow?

Free cash flow is one of the most practical measures of your business's financial health. It tells you how much cash is left over after you've covered your day-to-day operating costs and any spending on long-term assets.

In simple terms, free cash flow (FCF) is the cash your business generates from its normal operations, minus the money spent on capital expenditures (CapEx). Capital expenditures include purchases like equipment, vehicles, or property that you use over multiple years.

The core formula is:

Free cash flow = operating cash flow - capital expenditures

Unlike profit, which can include non-cash items like depreciation, FCF focuses purely on actual cash moving in and out of your business. This makes it a reliable indicator of whether your business can fund its own growth, repay debts, or build a financial safety net.

How to calculate free cash flow

Calculating free cash flow is straightforward once you know where to find the right numbers. You'll need 2 figures from your cash flow statement.

1. Find your operating cash flow

Operating cash flow (OCF) is the total cash generated by your core business activities. It includes cash received from customers minus cash paid for expenses like wages, rent, suppliers, and taxes. You'll find this figure in the operating activities section of your cash flow statement.

2. Identify your capital expenditures

Capital expenditures (CapEx) represent the money you spend on long-term assets. These are purchases that benefit your business over several years, such as machinery, computers, fit-outs, or vehicles. This figure appears in the investing activities section of your cash flow statement.

3. Apply the formula

Subtract your capital expenditures from your operating cash flow:

Free cash flow = operating cash flow - capital expenditures

For example, if your operating cash flow is $120,000 and your capital expenditures are $30,000, your free cash flow is $90,000. That's the cash available for growth initiatives, debt repayment, or building reserves.

Free cash flow example

A practical example can make the concept clearer. Here's how a small business might calculate its free cash flow over a financial year.

Imagine you run a landscaping business. Over the past 12 months, your cash flow statement shows the following:

• Cash received from customers: $350,000
• Cash paid for operating expenses (wages, fuel, materials, insurance, rent): $240,000
• Operating cash flow: $110,000
• Capital expenditure (new ride-on mower and trailer): $25,000

Applying the formula: $110,000 - $25,000 = $85,000 in free cash flow.

That $85,000 is the cash genuinely available to you. You could use it to hire another crew member, pay down a business loan, set aside a buffer for the quieter winter months, or reinvest in marketing to attract new clients.

Now consider a different year where you purchase a new truck for $70,000. Your FCF would drop to $40,000, even though your operating performance stayed the same. This is why FCF can fluctuate significantly from year to year, especially when you make larger capital purchases.

Why free cash flow matters for small businesses

Free cash flow gives you a realistic picture of the cash your business can actually deploy. Profit figures can sometimes paint an incomplete picture because they include non-cash accounting entries. FCF strips those out and shows you what you can genuinely work with.

Free cash flow affects several core areas of running your business:

• Growth decisions: positive FCF means you can fund expansion, hire staff, or invest in new equipment without relying on external financing.
• Debt management: lenders and investors look at FCF to assess whether your business can comfortably service its debts. Strong FCF makes it easier to negotiate favourable loan terms.
• Financial resilience: a healthy FCF allows you to build cash reserves for unexpected expenses or seasonal downturns, reducing your reliance on overdrafts or credit.
• Business valuation: if you're considering selling your business or bringing on investors, FCF is one of the key metrics they'll examine. It demonstrates the real cash-generating ability of your operations.

Tracking your free cash flow over time also helps you spot trends. If FCF is steadily declining while revenue grows, it may signal that expenses are creeping up or that you're over-investing in assets without a clear return.

Types of free cash flow

There are several variations of free cash flow, each offering a slightly different perspective. Understanding the main types helps you choose the right measure for your situation.

Unlevered free cash flow (UFCF)

Unlevered free cash flow, also called free cash flow to the firm (FCFF), is the cash available before any debt repayments or interest payments. It shows the total cash your business generates from operations, regardless of how it's financed. This measure is useful when comparing businesses with different levels of debt.

Levered free cash flow (LFCF)

Levered free cash flow, also called free cash flow to equity (FCFE), is the cash remaining after all debt obligations have been met. This is the cash that's truly available to you as the business owner. If you carry business loans, levered FCF gives you a more accurate view of your actual spending power.

Which type should you use?

For most small business owners, the standard FCF formula (operating cash flow minus capital expenditures) provides a practical and sufficient measure. If you're seeking investment or comparing your business against others in your industry, unlevered FCF offers a like-for-like comparison by removing the impact of different financing structures.

Free cash flow vs cash flow, working capital, and liquidity

Free cash flow is closely related to several other financial concepts, but each one measures something different. Knowing the distinctions helps you interpret your finances more accurately.

Free cash flow vs cash flow

Cash flow refers to all cash moving in and out of your business across operating, investing, and financing activities. Free cash flow is narrower: it focuses only on the cash from operations after subtracting capital expenditures. Think of cash flow as the full picture and FCF as the portion that's genuinely discretionary.

Free cash flow vs working capital

Working capital is the difference between your current assets (cash, receivables, inventory) and your current liabilities (payables, short-term debts). It measures your ability to cover short-term obligations. FCF, by contrast, measures the cash surplus generated over a period. You could have strong working capital on paper but weak FCF if your cash is tied up in slow-paying invoices.

Free cash flow vs liquidity

Liquidity is a broader concept describing how easily you can access cash or convert assets into cash to meet immediate obligations. FCF contributes to liquidity, but liquidity also includes credit facilities, savings, and other readily available funds. A business with low FCF might still have good liquidity if it holds significant cash reserves or has access to a line of credit.

Advantages and limitations of free cash flow

Free cash flow is a valuable metric, but like any single measure, it has strengths and blind spots. Using it alongside other financial indicators gives you a more rounded view of your business.

Advantages

FCF offers several benefits as a financial measure:

• It reflects real cash, not accounting adjustments. Unlike net profit, FCF isn't affected by depreciation schedules or accrual timing.
• It highlights financial flexibility. Positive FCF shows you have cash available to invest, save, or distribute without needing external funding.
• It's harder to manipulate than profit. Because FCF is based on actual cash movements, it gives a more transparent view of business performance.
• It supports better planning. Tracking FCF over multiple periods helps you forecast cash availability and time major purchases wisely.

Limitations

Keep these limitations in mind when interpreting FCF:

• Capital expenditure timing can distort the picture. A single large asset purchase can make FCF look negative in one period, even if the business is performing well.
• Seasonal revenue can cause wide swings. If your income is concentrated in certain months, FCF will vary significantly across reporting periods.
• Upcoming obligations aren't always captured. FCF doesn't account for debt repayments, lease commitments, or tax liabilities that haven't yet been paid.
• Deferred investments can inflate FCF artificially. A business could boost its FCF by putting off necessary capital purchases, which can harm long-term performance.

How to improve free cash flow

Improving your free cash flow comes down to increasing the cash you generate from operations, reducing your capital spending, or both. Here are practical steps you can take.

Speed up your invoicing

The faster you invoice, the sooner cash arrives. Send invoices as soon as work is completed, set clear payment terms, and offer online payment options to make it easy for customers to pay promptly. Automated invoice reminders can also help reduce overdue payments.

Keep a close eye on expenses

Review your operating expenses regularly to identify areas where you can cut costs without affecting quality. Look for subscriptions you no longer use, negotiate better rates with suppliers, and compare quotes before committing to large purchases.

Time your capital expenditures

Plan major asset purchases around your cash flow cycle. If your business earns more in certain months, schedule big purchases for those periods. You might also consider leasing equipment instead of buying it outright, which spreads the cost and reduces the immediate hit to FCF.

Manage your receivables

Late-paying customers are one of the biggest drags on cash flow. Set credit terms that match your own payment obligations, follow up on overdue invoices quickly, and consider offering early payment discounts for larger accounts.

Monitor your cash flow regularly

Checking your cash flow position regularly helps you spot problems before they become serious. Using accounting software with real-time reporting means you can see your cash position at any time, rather than waiting for month-end reports.

Manage your cash flow with Xero

Understanding your free cash flow is a smart step towards making more confident financial decisions. With the right tools, you don't need to spend hours pulling numbers together manually.

Xero's accounting software gives you up-to-date visibility into your cash flow with automatic bank feeds, customisable reports, and cash flow tracking built in. You can see where your money is going, forecast what's ahead, and share your financials with your accountant or bookkeeper with ease. Get one month free.

FAQs on free cash flow

Here are some frequently asked questions about free cash flow.

What is a good free cash flow?

A "good" free cash flow depends on your industry and business stage, but generally, consistently positive FCF indicates your business generates enough cash to sustain itself and invest in growth. Even modest positive FCF is a healthy sign if it's stable over time.

How do you calculate free cash flow?

Subtract your capital expenditures from your operating cash flow. Both figures are found on your cash flow statement. The formula is: free cash flow = operating cash flow - capital expenditures.

What is the difference between cash flow and free cash flow?

Cash flow covers all cash movements across your business, including financing and investing activities. Free cash flow is specifically the cash left from operations after capital expenditures, representing the cash you can freely use.

Can free cash flow be negative?

Yes. Negative FCF means your capital expenditures exceeded the cash generated from operations. This isn't necessarily a problem if you're making strategic investments, but sustained negative FCF without a clear plan can signal financial strain.

Why is free cash flow important for small businesses?

FCF shows whether your business generates enough real cash to fund growth, repay debts, and build reserves without relying on loans or external funding. It's a practical measure that helps you plan with confidence.