Definition
A common definition is operating cash flow minus capital expenditures. It estimates cash available for debt reduction, acquisitions, repurchases, dividends, or additional investment after funding physical and software assets recorded as capital spending.
How to interpret it
Compare free cash flow with revenue, operating profit, and enterprise value across several years. Rising FCF can signal operating leverage, but it can also reflect delayed investment or a temporary working-capital release. The correct comparison depends on the business's growth stage and capital needs.
Common trap
The standard formula does not deduct stock-based compensation and may treat acquisition spending or capitalized development inconsistently. Always reconcile share count, working capital, leases, and recurring acquisitions before calling the cash fully available to owners.
Worked calculation and investor adjustments
Operating cash flow of $50 million minus $18 million of capital expenditure produces $32 million of headline FCF. With a $480 million enterprise value, that is a 6.7% enterprise-value FCF yield. The result is meaningful only if $18 million adequately maintains the assets and operating cash flow is not inflated by a temporary working-capital release.
If the company postponed $7 million of normal equipment replacement, normalized FCF may be closer to $25 million. Conversely, current FCF can understate long-run economics when a clearly separable portion of spending funds optional growth. When disclosure cannot reliably split maintenance from growth, present a range rather than manufacture precision.
Owners should also inspect stock compensation, lease principal, and recurring acquisitions. There is no single statutory FCF definition, so disclose every adjustment and keep the definition consistent when comparing companies.
- Start with operating cash flow minus capital expenditure.
- Use three to five years of working capital to spot temporary cash effects.
- Include all capex if maintenance and growth cannot be evidenced separately.
- Compare FCF growth with per-share FCF growth to detect dilution.



