Net Working Capital: What It Is and How to Calculate It

TL;DR

• Net working capital (NWC) is current assets minus current liabilities (the short-term capital tied up in operations).

• Calculate it by subtracting current liabilities from current assets, then interpret positive vs. negative in the context of the business model.

• Changes in NWC directly affect free cash flow and forecasting.

• Improving NWC means freeing cash from receivables and inventory and timing payables well.
  

Net working capital is the number that tells you whether a company can pay its bills over the next year without raising money. It nets what the business will collect soon against what it owes soon, and the gap is the cash actually available to operate.

It is the same idea as working capital, stated precisely, and it is core financial literacy for any finance or treasury team. This guide defines net working capital, gives the formula and how to calculate it, works through examples, explains what the result signals, and shows how to improve it.

What is net working capital?

Net working capital is current assets minus current liabilities, measuring the short-term liquidity a company has available to fund operations. It is the precise term for what people often call simply working capital.

Positive net working capital means a company can cover near-term obligations from near-term assets. Negative net working capital means it cannot, at least not without new financing or faster collections. The figure is a snapshot of short-term financial health drawn straight from the balance sheet.

The net working capital formula

The net working capital formula is the same subtraction that defines working capital.

Net working capital = current assets − current liabilities

Current assets include cash and cash equivalents, marketable securities, accounts receivable, inventory, and prepaid expenses. Current liabilities include accounts payable, short-term debt, the current portion of long-term debt, accrued expenses, and taxes payable. Some analysts use a narrower operating version that excludes cash and short-term debt to focus on receivables, payables, and inventory, isolating the operating cycle.

How to calculate net working capital

Knowing how to calculate net working capital is a three-step exercise, and the discipline is in keeping the inputs current.

• Total current assets from the current section of the balance sheet.

• Total current liabilities from the same section.

• Subtract current liabilities from current assets to get net working capital.

• Track the figure over time, since the direction reveals more than any single reading.

For example, $10 million in current assets and $6 million in current liabilities gives $4 million in net working capital. That $4 million is the cushion the business can draw on to bridge the gap between paying suppliers and collecting from customers.

Worked example: positive and negative

Consider two companies. The first has $10 million in current assets and $6 million in current liabilities, so net working capital is a healthy positive $4 million. The second has $5 million in current assets and $6.5 million in current liabilities, so net working capital is negative $1.5 million. For most businesses the second figure is a warning, though some efficient models, such as subscription businesses that collect up front, run on negative net working capital by design. The calculation is identical; the interpretation depends on the business.

Net working capital vs. working capital, gross, and operating

The terms overlap, so it helps to separate them. Working capital and net working capital are the same figure; "net" simply makes explicit that current liabilities have been subtracted. Gross working capital is total current assets alone, which describes scale rather than health. Operating working capital narrows the focus to receivables, payables, and inventory, removing cash and short-term debt to show how efficiently the core operating cycle uses cash. Most analysis centers on net working capital, with operating working capital used when the goal is to judge operational efficiency.

Net working capital vs. cash flow and liquidity

These three are related but distinct, and conflating them causes real confusion. Net working capital is a point-in-time measure of short-term resources against obligations. Cash flow is the movement of cash into and out of the business over a period. Liquidity is the broader question of whether the company can meet obligations as they come due. 

They connect through the change in net working capital: when it rises, cash is absorbed and cash flow falls, even if the business is profitable. A company can show strong net income, weak operating cash flow, and rising net working capital all at once, which is the classic signature of growth outrunning collections.

The change in net working capital

Change in net working capital is this period's figure minus last period's, and it is where the balance sheet meets the cash flow statement. A rise ties up cash; a fall releases it. Suppose the first company above grows, lifting current assets to $12 million while liabilities rise to $7 million, so net working capital climbs to $5 million. 

That $1 million increase is cash absorbed into receivables and inventory, and it appears as a use of cash in operating activities. Rapid growth often produces exactly this pattern, which is why a profitable company can still feel cash-poor, and why finance teams watch the change, not just the level.

What net working capital signals

Net working capital is a liquidity and efficiency signal at once. A healthy, stable figure shows the company funds operations comfortably from its own resources. A shrinking one can signal collection problems, rising payables pressure, or inventory building up faster than it sells. 

Lenders and investors read net working capital and the related current ratio as a measure of short-term risk, so a strong, well-managed figure also supports access to financing on better terms. Loan agreements sometimes include a minimum net working capital covenant, making the figure something the company must actively manage rather than simply report after the fact.

Net working capital in mergers and acquisitions

Net working capital shows up prominently in M&A, where it is one of the most negotiated items in a deal. Most acquisitions are done on a cash-free, debt-free basis with a net working capital target, often called the peg, set at a normalized level the business needs to operate. 

At closing, the actual net working capital is compared to the peg, and the purchase price is adjusted dollar for dollar: deliver more net working capital than the peg and the seller is paid for it, deliver less and the price drops. The logic is that the buyer should receive a business with enough short-term liquidity to keep running on day one, without the seller stripping out cash by slowing payables or accelerating collections before close. 

Setting the peg requires a clean, normalized history of net working capital, which is far easier when the underlying cash and balance data is accurate and current rather than reconstructed from spreadsheets.

Net working capital and the cash conversion cycle

Net working capital tells you how much short-term liquidity exists; the cash conversion cycle explains why it is as large as it is. The cycle is days sales outstanding plus days inventory outstanding minus days payable outstanding, and it measures how long cash is tied up before it returns. 

A company with a long cycle must hold more net working capital to bridge the gap, while a shorter cycle frees cash and reduces the net working capital the same business needs. Improving net working capital and shortening the cash conversion cycle are, in practice, the same project approached from two angles.

How to improve net working capital

Improving net working capital means freeing trapped cash, not just changing the ratio on paper.

1. Accelerate receivables with clearer terms, prompt invoicing, and faster follow-up, which lowers days sales outstanding.

2. Optimize payables timing, paying suppliers on time without paying early, which keeps cash in the business longer.

3. Trim excess inventory that locks up cash, matching stock to real demand.

4. Forecast cash so timing gaps are visible early and do not force last-minute borrowing.

5. Maintain real-time visibility into cash across all banks and entities so trapped cash is easy to see and act on.

How much net working capital is enough?

There is no universal target. A capital-light services or software business can run lean, while a manufacturer or distributor with significant inventory and trade receivables needs a much larger cushion. The practical test is whether net working capital comfortably covers the obligations expected before the next reliable inflow, sized to the peak need rather than the average for seasonal businesses. As with most metrics, a figure that is too high is also a signal, since idle cash and excess inventory earn nothing and may indicate slow collections or overstocking.

Net working capital as a percentage of revenue

Because the right dollar amount varies so much by size, analysts often express net working capital as a percentage of revenue to compare companies and track a single company over time. A rising percentage means the business is tying up more cash to generate each dollar of sales, while a falling percentage means it is becoming more efficient. 

The scale of the opportunity is large: the Hackett Group's 2025 Working Capital Survey found roughly $1.7 trillion in excess working capital across the top 1,000 US public companies, equal to about 35% of their gross working capital and 11% of aggregate revenue. Most of that is net working capital that could be released by collecting faster, paying more deliberately, and carrying less inventory.

Common mistakes

Most net working capital errors trace back to inputs and interpretation rather than the subtraction itself.

• Calculating on stale balances, so the figure describes last month, not today.

• Counting restricted cash that is not actually available.

• Treating a single snapshot as the whole story instead of watching the trend.

• Inflating the figure by stockpiling inventory, which traps more cash rather than less.

• Ignoring the composition, since a figure heavy in slow receivables is weaker than one heavy in cash.

Net working capital and cash visibility

Each lever above depends on seeing cash clearly and currently. You cannot release cash you cannot see, and a net working capital figure built on stale balances misleads. Trovata Cash consolidates balances and transactions across every bank and entity in real time on normalized data from Trovata Data, so the cash trapped in net working capital is visible and actionable rather than buried in spreadsheets, and the figure reflects the business as it is now.

Proof point: Reiter Affiliated Companies

Reiter Affiliated Companies gained global bank visibility and automated cash reporting with Trovata, saving roughly a day a week that had gone into collecting and consolidating data. Visibility is what makes the cash trapped in net working capital easy to find and act on.

Read the full Reiter Affiliated Companies case study for how visibility supports working-capital decisions.

Where to go from here

Net working capital is short-term cash you can free or trap, and most companies trap more than they need to. Seeing it clearly across every bank, in real time and reconciled to actual balances, is the first move toward freeing it and keeping the figure accurate enough to act on.

See how Trovata gives finance teams real-time visibility into cash. Book a demo.

Frequently asked questions

What is net working capital?

Net working capital is current assets minus current liabilities, measuring the short-term liquidity available to fund operations.

What is the net working capital formula?

Net working capital equals current assets minus current liabilities; a narrower operating version excludes cash and short-term debt.

How do you calculate net working capital?

Total current assets, total current liabilities, then subtract; for example, $10 million minus $6 million equals $4 million.

Is net working capital the same as working capital?

Yes; net working capital is the precise term for the current assets minus current liabilities figure most people call working capital.

What does negative net working capital mean?

It means current liabilities exceed current assets, which can signal short-term pressure unless the business model collects from customers before paying suppliers.

How can a company improve net working capital?

By accelerating receivables, optimizing payables timing, reducing excess inventory, forecasting cash, and maintaining real-time cash visibility.

Why does the change in net working capital matter?

A rise ties up cash and a fall releases it, so the change appears on the cash flow statement and explains why growth can consume cash.