Free cash flow
Learn what free cash flow is, how to calculate it with the formula, and simple ways to improve it.
Published Thursday 23 July 2026
Table of contents
Free cash flow formula.
Key takeaways
- Free cash flow (FCF) is the cash left after operating expenses and capital expenditures, showing what's truly available to reinvest, repay debt, or save.
- Unlike profit, free cash flow reflects the real cash moving through your business, which makes it a practical metric for everyday decisions.
- Calculating FCF regularly helps you spot cash shortfalls early, plan large purchases, and show financial health to lenders or investors.
- Improving free cash flow can mean collecting payments faster or timing capital investments well, not just earning more.
What is free cash flow?
Free cash flow (FCF) is the cash your business generates from operations after subtracting capital expenditures, such as equipment, vehicles, or technology. It shows how much cash is truly available once you've covered day-to-day operating costs and long-term investments.
Your business might look profitable on paper, but if that profit is tied up in inventory, unpaid invoices, or new equipment, you may have little cash on hand. Free cash flow cuts through the accounting to show the actual cash you can use to pay down debt, build a safety net, pay 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's a straightforward way to measure your financial flexibility.
Why free cash flow matters
Free cash flow gives you, your lenders, and potential investors a realistic view of your business's financial health. Revenue and profit matter, but they don't always show whether you have 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 once essential costs are covered
- It helps you plan ahead: knowing your FCF trend lets you anticipate cash shortfalls and adjust before they become problems
- It builds credibility with lenders and investors: they often review FCF to judge whether you can take on new debt or deliver returns
- It supports smarter decisions: your FCF shows whether now is the right time to hire, buy equipment, or hold off on a major purchase
Free cash flow is especially useful during periods of economic uncertainty. When revenue growth slows, knowing how much cash remains after operating expenses and capital investments helps you decide where to cut costs, defer upgrades, or seek funding. A cash flow projection template can help you map out these trends.
Free cash flow formula
The core formula for free cash flow is simple, and it captures both parts of the calculation in one line.
Free cash flow = operating cash flow minus capital expenditures
Here's what each part means.
- Operating cash flow (OCF): the cash your business generates from regular activities like selling products, collecting payments, and paying suppliers, shown on your cash flow statement
- Capital expenditures (CapEx): the money you spend on long-term assets, such as equipment, technology, a vehicle, or a workspace renovation
Subtract CapEx from your operating cash flow, and you're left with the cash that's truly free to use.
How to calculate free cash flow
Calculating free cash flow takes a few steps once your financial statements are ready. Here's how to work through it.
- Locate your operating cash flow in the "cash flows from operating activities" section of your cash flow statement. It already reflects non-cash items like depreciation and changes in working capital.
- Identify your capital expenditures in the "cash flows from investing activities" section, including purchases of property, equipment, or vehicles. With Xero accounting software, you can pull these figures from your reports.
- Subtract your capital expenditures from your operating cash flow. The result is your free cash flow for the period.
- Review and compare across periods by tracking FCF monthly or quarterly to spot trends and seasonal patterns.
Free cash flow calculation example
A worked example shows how this plays out in practice. Imagine you own a small landscaping business, and at the end of the quarter your cash flow statement shows the figures below.
- Operating cash flow: $85,000
- Capital expenditures: $20,000, for a new mower and trailer
Using the formula: Free cash flow = $85,000 minus $20,000 = $65,000.
So your business generated $65,000 in cash that quarter after covering operating costs and new equipment. That cash is available to pay down a loan, build an emergency fund, or invest in a marketing campaign.
Now imagine the next quarter shifts. Operating cash flow drops to $60,000, and you spend $35,000 on a used truck, so your FCF is $25,000. The decline isn't necessarily a problem, but it signals less flexibility, so watch 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 captures something different, so it helps to see how they relate.
- Free cash flow vs. cash flow: cash flow covers all money moving in and out, while FCF is only what's left from operations after capital expenditures
- Free cash flow vs. working capital: working capital compares current assets to current liabilities, while FCF measures the actual cash generated over a period
- Free cash flow vs. net income: net income, or net profit, includes non-cash items like depreciation, while FCF shows the real cash produced
- Free cash flow vs. liquidity: liquidity describes how easily you can access cash, and FCF is one specific measure that feeds your overall liquidity
No single metric tells the whole story. Tracking FCF alongside your other financial statements gives you a fuller view of where your business stands.
Types of free cash flow
There are 2 main types of free cash flow, and each answers a slightly different question depending on who's asking.
- Free cash flow to the firm (FCFF): the total cash available to everyone with a financial stake in your business, both lenders and owners, before interest and debt payments
- Free cash flow to equity (FCFE): the cash available to owners after all expenses, reinvestment needs, and debt obligations are paid
For most small business owners, the standard formula works well day to day. FCFF and FCFE matter more when you're 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 only the first step, and understanding what it means for your business takes some context.
Positive free cash flow means you're generating more cash than you spend on operations and investments. That's generally healthy, giving you room to save, invest, or reduce debt. Consistently positive FCF over several quarters signals a stable business.
Negative free cash flow isn't automatically a warning sign. It can happen when you make a large but necessary investment, like new equipment or a new location. The key is whether it's temporary and strategic or a recurring pattern.
Trends matter more than a single number, so look at your FCF over 3 to 4 quarters or more. A steady rise suggests improving cash generation, while a decline can be an early prompt to check rising costs or slow collections.
How to improve free cash flow
If your free cash flow isn't where you'd like it to be, several practical steps can strengthen it.
- Speed up collections: send invoices promptly and follow up on overdue payments, since early payment discounts or online invoicing help you collect faster
- Negotiate better payment terms: ask suppliers for extended terms so you can hold onto cash longer
- Review your expenses: look for subscriptions or costs that aren't adding value, since small recurring costs add up
- Manage inventory carefully: track what's selling and match your ordering to real demand so cash isn't tied up
- Time your capital expenditures: space out large purchases or lease equipment to preserve cash
- Increase revenue strategically: raise prices, upsell existing customers, or add a complementary service
Small improvements across several areas often have a bigger combined impact than one large change. Review your FCF each month to see what's working, and read the guide to managing cash flow for more.
Benefits and limitations of free cash flow
Free cash flow is a valuable metric, but like any financial measure it has strengths and shortcomings worth understanding. Here are some of the key benefits of tracking FCF.
- It reflects real cash, not accounting estimates, so it's harder to distort than net income
- It supports forward planning for investments, debt payments, and unexpected expenses
- It helps with benchmarking across periods or against similar businesses
- It signals financial health to lenders, investors, and potential buyers
There are also some limitations to keep in mind.
- It can swing sharply, since one large purchase can make a quarter look negative even when the business is doing well
- It doesn't capture debt repayments, taxes, or owner distributions, so it isn't a full picture of your cash commitments
- It can be affected by timing, as delaying a purchase or speeding up collections can temporarily inflate it
- It works best with other metrics, like working capital ratio, profit margins, and your cash flow statement
Manage your cash flow with confidence using Xero
Understanding free cash flow puts you in a stronger position to make decisions about your business's future. With the right tools, tracking it doesn't have to be complicated or time-consuming.
Xero's accounting software gives you real-time visibility with cash flow forecasting and automates routine bookkeeping tasks. It also generates the reports you need to calculate free cash flow quickly. Whether you're planning your next investment or preparing for a quieter season, you can stay on top of your numbers and get one month free.
FAQs on free cash flow
Here are answers to some frequently asked questions about free cash flow.
What is a good free cash flow?
A good free cash flow depends on your industry, business size, and growth stage. Generally, consistently positive FCF that covers your obligations and leaves room to reinvest is a strong sign of financial health.
Can a business have negative free cash flow?
Yes, and it isn't always a cause for concern. Negative FCF often happens when a business makes a large capital investment, and it can be healthy if it's temporary and planned.
What is the difference between cash flow and free cash flow?
Cash flow tracks all cash moving in and out, including operating, investing, and financing activities. Free cash flow focuses on the cash left after operating expenses and capital expenditures, showing what's truly available for discretionary use.
How often should you calculate free cash flow?
Calculating FCF monthly or quarterly gives you the most useful picture. Regular tracking helps you spot trends, prepare for seasonal shifts, and make timely adjustments to your spending.
Is free cash flow the same as profit?
No, they're different. Profit, or net income, includes non-cash items like depreciation, while free cash flow measures the real cash generated after operating costs and capital investments.
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.