Oct 08, 2026 by Offer

What is working capital (How To Answer): Interview Answer Guide 2027

To answer this working capital interview question, give the definition, narrow it to operating working capital (receivables, inventory, payables — no cash, no debt), explain the cash intuition with a one-line example, and connect it to free cash flow: increases in net working capital are subtracted because they consume cash. That FCF link is the closer.

What This Working Capital Interview Question Tests

Working capital is current assets minus current liabilities — the short-term resources a business has available to fund its daily operations. In valuation and modeling, though, practitioners almost always mean operating (or net) working capital: accounts receivable plus inventory minus accounts payable, deliberately excluding cash and interest-bearing debt, which belong to financing rather than operations.

How to Answer This Working Capital Interview Question

Define it first — current assets minus current liabilities — then immediately refine to the operating version analysts actually use: receivables plus inventory minus payables, excluding cash and debt. Explain why cash and debt are excluded: they are financing items, not operational ones, and including them would muddy the operating picture.

Then deliver the cash intuition in one line each: receivables up means cash stuck with customers; inventory up means cash stuck on shelves; payables up means suppliers funding you. Close with the free cash flow connection — increases in net working capital are subtracted in the FCF build — because that link is what interviewers are really checking.

Common Mistakes on the Working Capital Interview Question

Including cash and debt. The textbook definition includes them, but operating working capital — what models use — excludes both. Using the broad definition in a free cash flow build double-counts financing.

Getting the sign wrong. An increase in receivables or inventory consumes cash (subtract); an increase in payables provides cash (add). Flipping these signs is the single most common modeling error.

Calling all working capital “good.” Rising working capital can signal growth — or deteriorating collections and obsolete inventory. Always ask what is driving the change.

This is the kind of technical question that commonly decides interview rounds — candidates report that one hesitant or rambling answer here can end the process on the spot. Practice saying your answer out loud until it sounds calm, structured, and confident.

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FAQ

What is negative working capital, and is it bad?

Not necessarily — it often means customers pay faster than the company pays suppliers, so operations fund themselves. It is common in subscription and some retail models, though it can also signal distress if driven by stretched payables.

Why is cash excluded from operating working capital?

Because cash is a financing and treasury decision, not an operating one. Including it would mix how the business is funded with how it operates, defeating the metric's purpose.

How does working capital affect a DCF?

Through free cash flow: each year's change in net working capital adjusts operating cash flow. Companies with structurally rising working capital needs are worth less, all else equal, because more cash stays trapped in operations.

What is the cash conversion cycle?

The days inventory sits, plus days to collect receivables, minus days to pay suppliers — how long cash is tied up in operations. Shorter is generally better. Interview format may vary by role and region — check the official careers page for the current process.

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