Free cash flow (FCF)
Learn what free cash flow is, how to calculate it, and how to use it to make confident cash decisions.
Published Monday 31 August 2026
Table of contents
Free cash flow formula.
Key takeaways
- Free cash flow is the cash left after you cover operating costs and capital expenditures, showing the money you can actually put to work.
- You calculate it by subtracting capital expenditures from operating cash flow.
- Positive free cash flow gives you room to save, invest, or pay down debt, while negative free cash flow can still be healthy when it funds a planned investment.
- Tracking free cash flow over time helps you anticipate shortfalls and make confident spending decisions.
What is free cash flow?
Free cash flow (FCF) is the cash your business generates from its normal operations after covering money spent on capital expenditures such as equipment, vehicles, or technology. It shows how much cash is truly available once you have paid for both day-to-day operating costs and long-term investments.
Your business might look profitable on paper, but if most of that profit is tied up in inventory, unpaid invoices, or new equipment, you may not have much cash on hand. Free cash flow cuts through the accounting to show the actual money you can use to pay down debt, build a safety net, distribute to owners, or fund growth.
For small business owners, FCF is useful because it bridges the gap between what your income statement says you earned and what your bank account reflects. It gives you a straightforward measure of your cash flow and financial flexibility.
Why free cash flow matters
Free cash flow gives you, your lenders, and potential investors a realistic view of your financial health. Revenue and profit matter, but they do not always show whether your business holds enough cash to operate smoothly.
Here are some of the reasons FCF is worth tracking.
- It shows your true spending power: FCF reveals how much cash you can put toward growth, savings, or debt repayment after essential costs are covered
- It helps you plan ahead: knowing your FCF trend over several months or quarters lets you spot cash shortfalls early and adjust before they become problems
- It builds credibility with lenders and investors: banks and investors often review FCF to assess whether your business can take on new debt or deliver returns
- It supports smarter decisions: knowing your FCF helps you judge whether now is the right time to hire, buy new equipment, or hold off on a major purchase
Free cash flow becomes even more valuable during quieter trading periods. When revenue growth slows, knowing exactly how much cash remains after operating expenses and capital investments helps you decide where to cut costs, defer upgrades, or seek funding. Building a regular cash flow forecast makes these trends easier to see.
Free cash flow formula
The core formula for free cash flow is short and easy to apply.
Free cash flow = operating cash flow – capital expenditures
Here is what each part means.
- Operating cash flow (OCF): the cash your business generates from regular activities, such as selling products or services, collecting customer payments, and paying suppliers and staff. You will find this figure on your cash flow statement, sometimes labelled cash from operations
- Capital expenditures (CapEx): the money you spend on long-term assets your business needs to operate or grow, such as buying equipment, upgrading technology, purchasing a vehicle, or renovating a workspace
By subtracting CapEx from operating cash flow, you are left with the cash that is truly free, meaning it is not committed to running your operations or maintaining your assets. You can reach the same result with a second, net-income build-up version of the formula, which suits you if you are starting from your income statement.
- Free cash flow = net income + non-cash expenses such as depreciation ± changes in working capital – capital expenditures
How to calculate free cash flow
Calculating free cash flow takes a few steps once your financial statements are ready. Here is how to work through it.
1. Locate your operating cash flow
Start with your financial statements and find the section labelled cash flows from operating activities. This figure accounts for your net income plus adjustments for non-cash items such as depreciation, along with changes in working capital such as movements in accounts receivable and accounts payable.
2. Identify your capital expenditures
Next, find your capital expenditures in the cash flows from investing activities section. CapEx covers purchases of property, equipment, vehicles, or other long-term assets. With Xero accounting software, you can pull these figures directly from your reports.
3. Subtract capital expenditures from operating cash flow
Apply the formula: take your operating cash flow and subtract your capital expenditures. The result is your free cash flow for the period you are reviewing.
4. Review and compare across periods
A single FCF number helps, but tracking it monthly or quarterly is more valuable. Compare your current FCF to earlier periods to spot trends, seasonal patterns, or early cash flow concerns.
Free cash flow calculation example
A realistic example shows how this works in practice. Imagine you own a small landscaping business, and at the end of the quarter your cash flow statement shows the following figures.
- Operating cash flow: ₱850,000
- Capital expenditures: ₱200,000 (you purchased a new mower and trailer)
Using the formula:
Free cash flow = ₱850,000 – ₱200,000 = ₱650,000
Your business generated ₱650,000 in cash that quarter after covering all operating costs and investment in new equipment. That ₱650,000 is available for paying down a loan, setting aside an emergency fund, or investing in a marketing campaign to attract new clients.
Now imagine the next quarter looks different: your operating cash flow drops to ₱600,000, and you spend ₱350,000 on a used vehicle. Your FCF would be ₱250,000. The decline does not automatically signal a problem, but it tells you that you have less financial flexibility that quarter and may want to be careful with discretionary spending.
How free cash flow compares to other financial metrics
Free cash flow is one of several metrics that measure the health of your business. Each one captures something different, so it helps to understand how they relate.
- Cash flow vs free cash flow: cash flow covers all money moving in and out of your business, including financing and investing activities, while free cash flow narrows the focus to the cash left from operations after capital expenditures
- Free cash flow vs working capital: working capital measures short-term liquidity by comparing current assets to current liabilities, while FCF looks at actual cash generated over a period
- Free cash flow vs net income: net income, which is net profit, includes non-cash items such as depreciation and can be shaped by accounting choices, while FCF strips those adjustments away to show the real cash produced
- Free cash flow vs liquidity: liquidity describes how easily you can access cash or convert assets to cash, and FCF is one specific measure that feeds into your overall liquidity picture
- Free cash flow vs operating cash flow: operating cash flow is the cash from your regular trading activities before capital expenditures, while free cash flow subtracts CapEx to show what remains for other uses
- Free cash flow vs EBITDA: EBITDA (earnings before interest, taxes, depreciation and amortisation) estimates operating profitability, while FCF measures actual cash after the capital spending needed to keep the business running
No single metric tells the whole story. Tracking FCF alongside these measures gives you a fuller understanding of where your business stands.
Types of free cash flow
There are two main types of free cash flow, and they measure slightly different things depending on who is asking the question.
- Free cash flow to the firm (FCFF), also called unlevered free cash flow: the total cash available to everyone with a financial stake in your business, including debt holders and equity owners, calculated before interest payments and debt repayments. Lenders and investors use FCFF to judge the overall earning power of a company, regardless of how it is financed
- Free cash flow to equity (FCFE), also called levered free cash flow: the cash available specifically to owners after all expenses, reinvestment needs, and debt obligations are paid. It is the portion that could be distributed to shareholders or kept as retained earnings
For most small business owners, the standard formula of operating cash flow minus capital expenditures works well for everyday decisions. FCFF and FCFE become more relevant if you are seeking outside investment, applying for significant financing, or preparing your business for a sale.
How to interpret free cash flow
Knowing your FCF number is the first step. Understanding what it means for your business takes some context.
Positive free cash flow means your business is generating more cash than it spends on operations and capital investments. This is generally a healthy sign, giving you flexibility to save, invest, reduce debt, or act on opportunities. Consistently positive FCF over several quarters points to a financially stable business.
Negative free cash flow is not automatically a warning sign. It can happen when you make a large but necessary investment, such as buying equipment or expanding to a new location. The question is whether the negative FCF is temporary and strategic or a recurring pattern, because ongoing negative FCF without a clear reason can show that your business is spending more than it earns.
Read your free cash flow alongside other short-term measures rather than on its own. Pairing it with liquidity checks such as the current ratio gives you a fuller picture of whether you can cover upcoming costs.
How to improve free cash flow
Improving free cash flow comes down to bringing cash in faster and controlling what goes out. A few practical habits can lift your FCF over time.
- Speed up customer payments with online invoicing and automated reminders
- Time your capital expenditures so major purchases fall in stronger cash periods
- Review inventory levels to avoid tying up cash in stock you do not need
- Negotiate clearer payment terms with suppliers to smooth your outgoings
- Trim operating costs that no longer add value to the business
Keeping a close eye on the numbers makes these habits easier to sustain. Staying on top of managing cash flow helps you see the effect of each change and adjust as you go.
Benefits and limitations of free cash flow
Free cash flow is a practical measure, though it works best alongside your other financial reports. Here are the main benefits worth knowing.
- Shows the real cash available after essential spending, not just accounting profit
- Helps you plan investments, debt repayments, and savings with confidence
- Gives lenders and investors a clear read on your financial strength
It also has limits to keep in mind before you rely on it alone.
- A single period can swing sharply after one large capital purchase
- It does not reflect future commitments such as upcoming loan repayments
- Comparing FCF across businesses works best when their investment cycles are similar
Manage your cash flow with confidence using Xero
Clear visibility over your cash makes free cash flow easier to track and act on. Xero accounting software brings your bank feeds, invoices, and cash flow reports into one place, so you can see the money coming in and going out in real time. Start today and get one month free.
FAQs on free cash flow
These questions cover the points small business owners ask most often about free cash flow.
Is free cash flow the same as profit?
No. Profit measures earnings on your income statement, while free cash flow measures the actual cash left after operating costs and capital expenditures, which can differ because of non-cash items and timing.
What does negative free cash flow mean?
Negative free cash flow means you spent more on operations and capital investments than you generated in cash that period. It can be healthy when it funds a planned investment, but a recurring pattern without a clear reason needs attention.
What is the difference between free cash flow and operating cash flow?
Operating cash flow is the cash from your regular trading activities before any capital spending. Free cash flow goes one step further by subtracting capital expenditures, showing what remains for debt, savings, or growth.
What is a good free cash flow?
A good free cash flow is consistently positive and enough to cover your commitments while leaving room to invest or save. What counts as strong depends on your industry, size, and stage of growth.
What is the difference between unlevered and levered free cash flow?
Unlevered free cash flow (FCFF) is the cash available before interest and debt repayments, reflecting the whole business. Levered free cash flow (FCFE) is the cash left for owners after debt obligations are met.
Related terms
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Disclaimer
This glossary is for small business owners. The definitions are written with their requirements in mind. More detailed definitions can be found in accounting textbooks or from an accounting professional. Xero does not provide accounting, tax, business or legal advice.