Operating Cash Flow Calculator

Find cash from operations using the indirect method.

Net income

Depreciation & amortization

Non-cash charges added back.

Change in working capital

An increase in working capital uses cash.

Results update as you type.

Operating cash flow

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How it works

An operating cash flow calculator reveals how much actual cash a company's core operations generate, which can differ sharply from the profit its income statement reports. Using the indirect method, you start with net income and adjust it back toward cash: you enter net income, add depreciation and amortization, and subtract the change in working capital, and the tool returns operating cash flow. The adjustments matter because net income is an accounting figure shaped by non-cash items and timing rules, not a direct measure of money in the bank. Depreciation and amortization are non-cash charges — they reduce reported profit but no cash actually leaves the business — so they are added back. A change in working capital captures cash tied up in the day-to-day cycle: when receivables or inventory grow, cash is consumed even though profit may look healthy, so an increase in working capital is subtracted. The result is a far more honest picture of whether the business is truly self-funding. A company can post strong profits yet run short of cash if it is ploughing money into inventory or extending generous credit to customers, and operating cash flow exposes exactly that gap. Investors and lenders prize it because cash, not accounting profit, pays wages, suppliers and debt. Managers use it to judge whether operations throw off enough cash to fund growth without borrowing, and analysts treat sustained, strong operating cash flow as one of the surest signs of a durable, healthy business rather than one that merely looks profitable on paper.

Formula

Operating cash flow = net income + depreciation − change in working capital

Net income is the accounting profit, but it includes non-cash charges and ignores timing. Depreciation and amortization reduced that profit without any cash leaving, so they are added back. An increase in working capital — more cash locked in receivables or inventory — consumes cash, so the change is subtracted. Combining these adjustments converts accrual-based profit into the cash the operation actually generated, which is what ultimately funds the business.

Source:Standard financial (indirect cash flow) accounting

We review all our tools from time to time to ensure accuracy.

Worked example

Net income:500000Depreciation & amortization:80000Change in working capital:30000

Operating cash flow = 500,000 + 80,000 − 30,000 = $550,000 of cash from operations.

How to use this calculator

1
Enter your values
Enter net income, depreciation & amortization and change in working capital.
2
Adjust the options
Fine-tune any options to match your situation.
3
Read your result
Operating cash flow updates instantly as you type — no button to press.

Frequently asked questions

Why add depreciation back to net income?

Depreciation and amortization are non-cash expenses. They lower reported profit by spreading the cost of assets the company already paid for across their useful lives, but no cash actually leaves the business when the charge is recorded. Because the goal of operating cash flow is to measure real cash generated, these accounting-only deductions are added back to net income. Failing to add them back would understate how much cash the operation truly produced during the period.

How does a change in working capital affect cash?

Working capital is the cash tied up in the short-term operating cycle — receivables, inventory and payables. When working capital increases, more cash is locked into unpaid invoices or unsold stock, so cash is consumed and the change is subtracted. When working capital decreases, cash is released back into the business and would be added. This adjustment captures the timing difference between recording a sale as profit and actually collecting the cash from it.

What is the difference between profit and cash flow?

Profit is an accounting measure that follows accrual rules, recognising revenue when earned and expenses when incurred, regardless of when cash moves. Cash flow tracks the actual money entering and leaving the business. The two diverge because of non-cash charges like depreciation and timing effects like credit sales and inventory. A profitable company can still run out of cash, which is why operating cash flow is watched so closely — cash, not profit, pays the bills.

What is the indirect method?

The indirect method builds operating cash flow by starting from net income and adjusting it for non-cash items and working capital changes, which is exactly what this calculator does. It is the most common approach in published financial statements because it reconciles neatly with the income statement. The alternative direct method lists actual cash receipts and payments instead. Both arrive at the same operating cash flow figure, but the indirect method is usually easier to build from standard accounting records.

Why do investors focus on operating cash flow?

Because it shows whether the core business generates enough real cash to sustain itself, independent of accounting choices and one-off items. Strong, consistent operating cash flow means a company can fund its operations, service debt and invest in growth without constantly raising money. It is harder to manipulate than reported earnings, so investors treat it as a reliable signal of financial health. Weak operating cash flow alongside healthy reported profit is a classic warning sign worth investigating.