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Free Cash Flow Calculator

Calculate free cash flow from operating cash flow and capital expenditures. Enter values for instant results with step-by-step formulas.

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Formula

Free Cash Flow = Operating Cash Flow - Capital Expenditures

Operating cash flow represents cash generated from core business operations. Capital expenditures (capex) represent spending on long-term assets like property, equipment, and infrastructure. The difference is free cash flow, which is available for dividends, share buybacks, debt reduction, and acquisitions.

Worked Examples

Example 1: Technology Company FCF Analysis

Problem: A tech company has $8,000,000 operating cash flow, $2,500,000 in capex, $50,000,000 revenue, $15,000,000 total debt, and 1,000,000 shares outstanding.

Solution: Free Cash Flow = $8,000,000 - $2,500,000 = $5,500,000\nFCF Margin = $5,500,000 / $50,000,000 = 11.0%\nFCF Per Share = $5,500,000 / 1,000,000 = $5.50\nCapex to OCF = $2,500,000 / $8,000,000 = 31.25%\nDebt to FCF = $15,000,000 / $5,500,000 = 2.73x

Result: FCF: $5,500,000 | Margin: 11.0% | FCF/Share: $5.50 | Debt/FCF: 2.73x

Example 2: Capital-Intensive Manufacturer

Problem: A manufacturer has $12,000,000 operating cash flow, $9,000,000 in capex, $80,000,000 revenue, $25,000,000 debt, and 2,000,000 shares.

Solution: Free Cash Flow = $12,000,000 - $9,000,000 = $3,000,000\nFCF Margin = $3,000,000 / $80,000,000 = 3.75%\nFCF Per Share = $3,000,000 / 2,000,000 = $1.50\nCapex to OCF = $9,000,000 / $12,000,000 = 75%\nDebt to FCF = $25,000,000 / $3,000,000 = 8.33x

Result: FCF: $3,000,000 | Margin: 3.75% (Weak) | Debt/FCF: 8.33x (High Leverage)

Frequently Asked Questions

What is free cash flow and why is it important for investors?

Free cash flow (FCF) is the cash a company generates from its operations after subtracting capital expenditures required to maintain or expand its asset base. It represents the actual cash available for paying dividends, repurchasing shares, reducing debt, or making acquisitions. FCF is considered one of the most important financial metrics because unlike net income, it cannot be easily manipulated through accounting choices. A company can report positive earnings while burning cash, but free cash flow reveals the true cash-generating power of the business. Warren Buffett frequently emphasizes FCF as a key metric for valuing companies.

How is free cash flow calculated from financial statements?

Free cash flow is calculated by subtracting capital expenditures from operating cash flow. Operating cash flow is found on the cash flow statement and represents cash generated from core business activities, including net income adjusted for non-cash items like depreciation and changes in working capital. Capital expenditures, also on the cash flow statement, represent money spent on property, plant, equipment, and other long-term assets. The formula is simply FCF = Operating Cash Flow minus Capital Expenditures. Some analysts also calculate levered free cash flow, which further subtracts interest payments and mandatory debt repayments to show cash available to equity holders specifically.

What is a good free cash flow margin for a company?

Free cash flow margin, calculated as FCF divided by revenue, varies significantly by industry. Software and technology companies often achieve margins of 20% to 35% because they have minimal capital expenditure requirements. Consumer staples companies typically range from 8% to 15%, while capital-intensive industries like manufacturing and utilities may only achieve 3% to 8%. A margin above 10% is generally considered healthy for most industries. Consistently improving FCF margins over several years is a strong positive signal, as it indicates the company is becoming more efficient at converting revenue into actual cash. Comparing a company's margin to its industry peers provides the most meaningful context.

What does negative free cash flow indicate about a company?

Negative free cash flow means a company is spending more on capital expenditures than it generates from operations. This is not always a negative signal and must be interpreted in context. High-growth companies like Amazon and Tesla had years of negative FCF while investing heavily in infrastructure, warehouses, and factories to fuel future growth. Cyclical businesses may have negative FCF during industry downturns. However, persistently negative FCF in a mature company with slowing growth is a serious warning sign that the business model may be deteriorating. Investors should examine whether negative FCF results from strategic investment in growth opportunities or from fundamental operational weakness.

How does free cash flow differ from net income and EBITDA?

Free cash flow, net income, and EBITDA each measure different aspects of financial performance. Net income is an accounting measure that includes non-cash charges like depreciation and stock-based compensation, making it subject to accounting judgments. EBITDA removes depreciation and amortization from operating income to approximate operating cash flow, but it ignores actual capital expenditure needs and working capital changes. Free cash flow starts with actual cash from operations and subtracts real capital spending, making it the most conservative and cash-focused metric. A company might show $10 million in net income, $15 million in EBITDA, but only $3 million in FCF due to heavy capital spending requirements.

What is the capex-to-operating-cash-flow ratio and what does it reveal?

The capital expenditure to operating cash flow ratio shows what percentage of operating cash flow a company must reinvest just to maintain its business operations and competitive position. A ratio below 25% indicates the company is capital-light and retains most of its operating cash as free cash flow. Ratios between 25% and 50% are typical for moderate capital intensity businesses. Ratios above 50% suggest the company requires heavy ongoing investment, leaving less cash for dividends, buybacks, and growth. Technology and software companies often have ratios below 15%, while airlines, telecoms, and utilities frequently exceed 60%. This ratio helps investors understand how much of the apparent cash generation is consumed by necessary reinvestment.

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