Skip to content
Finance Calc Kit
Business

Operating Cash Flow

Calculate operating cash flow from net income, depreciation, amortization, and working capital changes with our free online OCF calculator.

$
$
$
$

Cash taxes paid or payable during the period.

$

Deferred revenue, stock-based compensation, and similar operating items.

Operating cash flow

$513,000.00

Cash generated from core business operations

Change in working capital

-$17,000.00

Net effect of inventory, receivables, and payables

Calculation breakdown

Net income$500,000.00
Depreciation$50,000.00
Amortization$25,000.00
Change in working capital-$17,000.00
Income tax payable-$120,000.00
Net other cash flows$75,000.00

How operating cash flow is calculated

Indirect method from net income to cash from operations.

  1. Sum working capital changes

    ΔOWC=ΔInv+ΔAR+ΔAP\Delta OWC = \Delta Inv + \Delta AR + \Delta AP

    $-10,000 + $-15,000 + $8,000 = $-17,000

  2. Apply the operating cash flow formula

    OCF=NI+D+A+ΔOWC+ITP+Netother CFOCF = NI + D + A + \Delta OWC + ITP + Net_{other\ CF}

    $500,000 + $50,000 + $25,000 + $-17,000 + $-120,000 + $75,000 = $513,000

  3. Interpret operating cash flow

    Positive OCF indicates core operations are generating cash after adjusting for non-cash items and working capital.

Report tool

What is operating cash flow?

Operating cash flow (OCF) is the cash a company generates from core business operations during a period. Unlike net income, OCF adjusts for non-cash accounting items and working capital changes, showing whether the business actually produces cash from day-to-day activity.

Analysts often compare OCF to net income to test earnings quality. Pair this calculator with the net profit margin calculator for profitability context, or the net operating working capital calculator to analyze the working capital base behind cash flow changes. Measure how well that cash covers short-term obligations with the operating cash flow ratio calculator.

Operating cash flow formula

OCF=NI+D+A+ΔOWC+ITP+Netother CFOCF = NI + D + A + \Delta OWC + ITP + Net_{other\ CF}

NI is net income, D is depreciation, A is amortization, delta OWC is the change in operating working capital, ITP is income tax payable (cash taxes), and Net(other CF) covers other operating cash items such as deferred revenue.

Working capital adjustment

ΔOWC=ΔInv+ΔAR+ΔAP\Delta OWC = \Delta Inv + \Delta AR + \Delta AP

An increase in inventory or receivables ties up cash (negative adjustment). An increase in payables delays cash outflows (positive adjustment). Enter changes using the sign convention from your cash flow statement or balance sheet roll-forward.

Worked example

Net income of $500,000 plus depreciation $50,000 and amortization $25,000 starts the calculation. Working capital changes of -$10,000 inventory, -$15,000 receivables, and +$8,000 payables sum to -$17,000. After income tax payable of -$120,000 and other cash flows of $75,000, operating cash flow equals $513,000.

Why OCF matters more than net income alone

Net income includes non-cash charges like depreciation that do not reduce cash on hand. Revenue recognized on credit increases earnings before cash is collected. OCF removes these distortions, giving investors a clearer view of whether the business model generates sustainable cash.

Frequently asked questions

How do I find operating cash flow in financial statements?
Operating cash flow appears at the top of the cash flow statement, one of the three core financial statements public companies report each quarter alongside the income statement and balance sheet.
Is operating cash flow the same as net income?
No. Net income follows accrual accounting rules and includes non-cash items. Operating cash flow adjusts net income for depreciation, amortization, working capital, and other cash-specific items.
Why is depreciation added back in the OCF calculation?
Depreciation reduces net income but does not involve a current cash outflow. The cash was spent when the asset was purchased. Adding back depreciation reverses this non-cash charge.
What is a good operating cash flow?
Positive and growing OCF relative to net income is generally healthy. Compare OCF to capital expenditures, debt service, and dividends to assess whether operations fund growth and obligations without external financing.
What happens if a company has negative operating cash flow?
Negative OCF means core operations consumed more cash than they generated. Persistent negative OCF is a warning sign even when net income remains positive on paper.
How can I improve cash flow from operations?
Increase sales, collect receivables faster, manage inventory levels, extend payables responsibly where appropriate, and reduce non-essential operating cash outflows.

Resources and references

The formulas and methods in this calculator were checked against these independent sources.