Cash flow & accounting
Free cash flow vs. net income: what is the difference?
The short answer
Net income measures accounting profit over a period. Operating cash flow tracks cash generated or used by operating activities. Free cash flow is a non-GAAP measure commonly calculated as operating cash flow minus capital expenditure. Profit, operating cash flow and free cash flow answer related but different questions.
A profitable sale does not always mean cash arrived
Under accrual accounting, revenue and related expenses can be recognized at different times from the associated cash receipts and payments. A business might record a sale while waiting for the customer to pay. It might also use cash to build inventory before the inventory is sold.
That is why the income statement and cash flow statement belong beside each other. Net income helps describe profitability. The operating section of the cash flow statement helps explain the cash consequences of the operating business, including timing differences and noncash charges. Neither statement is a substitute for the other.
Read the source: SEC: Beginners’ Guide to Financial Statements
Build the bridge in two steps
First move from net income to operating cash flow. Then identify the relevant capital expenditure and apply the company’s free-cash-flow definition. For the common operating-cash-flow-minus-capex calculation, the figures below produce $40 million of free cash flow. Every number is hypothetical.
Notice that depreciation is added back in the operating cash flow bridge, while the purchase of long-lived assets appears as a cash outflow in investing activities. The accounting expense and the cash purchase do not have to occur in the same period. Do not subtract depreciation again after already subtracting the relevant capital expenditure.
| Step | Amount | Running total |
|---|---|---|
| Net income | 100 | 100 |
| Add depreciation and amortization | +20 | 120 |
| Add noncash stock compensation | +15 | 135 |
| Cash used by working-capital changes | −25 | 110 operating cash flow |
| Subtract capital expenditure | −70 | 40 free cash flow |
Read the source: SEC: Beginners’ Guide to Financial Statements · SEC: Non-GAAP Financial Measures (including free cash flow)
Ask why cash conversion changed
A single quarter can be flattered by collecting overdue customer balances or paying suppliers later. It can also look weak while a business funds inventory for future sales. Those timing effects matter, but they should not automatically be treated as permanent improvement or permanent deterioration.
Read receivables, inventory and payables alongside revenue and the company’s explanation. Compare similar periods and, where useful, several years. A strong cash quarter immediately after a weak one may partly reverse an earlier timing effect. A longer view makes that easier to see.
Read the source: Investor.gov: How to Read a 10-K
Free cash flow does not have one universal definition
The SEC’s non-GAAP guidance describes operating cash flow less capital expenditures as a typical calculation, while noting that free cash flow has no uniform definition. Companies may use different adjustments or labels. Read the actual calculation before comparing two issuers.
A headline “adjusted free cash flow” figure should lead you to the reconciliation, not end the inquiry. Check what has been added back, what spending is excluded and whether the definition changed. Keep the unadjusted operating cash flow and the relevant capital spending visible in your own comparison.
Read the source: SEC: Non-GAAP Financial Measures (including free cash flow)
Positive free cash flow is not automatically spare cash
The common formula does not deduct every financial commitment a company may face. Debt maturities, acquisitions and shareholder distributions can still require cash. A company may also need a liquidity buffer. Treating the headline figure as cash that can all be paid out would skip those questions.
Stock-based compensation deserves a separate look. It is added back as a noncash item in the simplified bridge above, but the shares or awards can affect owners through dilution. Repurchases may use cash to offset some of that dilution. Cash generation and the per-share outcome need to be examined together.
Likewise, a rise in the cash balance may come from borrowing or issuing stock. That is financing, not evidence that the operating business generated more cash. Read all three cash-flow sections: operating, investing and financing.
Read the source: SEC: Beginners’ Guide to Financial Statements
A useful cash flow reading order
Start with net income, trace the operating cash flow bridge and identify the capital-spending line. Then read the free-cash-flow definition, the balance sheet and the discussion of future commitments. The goal is to understand how the business funds itself, rather than crown a single number as the whole story.
- Which noncash items explain the difference from profit?
- Are working-capital changes recurring, seasonal or temporary?
- What capital spending is included in the company’s calculation?
- What commitments or dilution sit outside the headline number?
- Does the pattern hold across several comparable periods?
Read the source: Investor.gov: How to Read a 10-K