What is Net Working Capital?
Short answer: Net working capital measures short-term resources committed to operations after deducting short-term operating funding. It is not always the same as current assets less current liabilities. Transaction and lending analyses often exclude cash, borrowings, interest, tax and other items handled elsewhere.
A broad accounting calculation uses all current assets and current liabilities. An operating calculation usually focuses on trade receivables, inventory, operating prepayments, trade payables and operating accruals. A sale agreement may use a negotiated definition tied to the target business and its accounting policies. Deferred revenue, provisions, payroll items, indirect tax, related-party balances and factoring require explicit treatment. Positive net working capital usually means operations absorb funding, while negative working capital can arise when customers pay before suppliers or service delivery. Neither sign is automatically good or bad.
How it works
Build the schedule account by account from the trial balance and map each account to included, excluded or separately reviewed. Use consistent accounting policies, cut-off and currency conversion. Test receivable ageing, inventory provisions, supplier statements and accrual completeness rather than accepting ledger labels. Compare monthly averages and peak periods because a financial year-end balance may not represent normal trading. For management, bridge the movement in each component to cash. For a transaction, agree the definition, reference accounting hierarchy, permitted policies, target or peg, preparation procedure and dispute process before completion. Prevent double counting with cash, debt and debt-like items.
Operating net working capital = included operating current assets - included operating current liabilities
Example
At month-end, trade receivables are 1,250, inventory is 850 and qualifying operating prepayments are 180. Trade payables are 740 and included operating accruals are 260. Operating net working capital is 1,250 + 850 + 180 - 740 - 260 = 1,280. Cash of 300, a term loan of 900 and current tax payable of 90 are excluded under the stated definition. If an agreed transaction target is 1,150, the delivered amount is 130 above target before applying the sale agreement and checking whether every balance qualifies.
Why it matters
Founders and CFOs use the schedule to find cash tied up in collections, stock and payment practices. Boards monitor whether growth is consuming more working capital than planned. Lenders assess liquidity, borrowing-base availability and covenant definitions. Buyers use normalised working capital to estimate the funding needed immediately after completion. Sellers need clean cut-off and documented classifications to support a purchase-price adjustment. Investors compare working-capital intensity across growth scenarios because revenue expansion can require cash before it produces distributable returns.
There is no universal transaction definition of net working capital. The signed sale agreement or facility document controls the legal calculation, not a generic formula. A high receivable balance may contain disputed or uncollectible amounts, and recorded inventory may be obsolete. Negative working capital can reverse quickly if customer prepayments fall. Tax, payroll and statutory liabilities may have jurisdiction-specific treatment. Accountants and legal advisers should review the accounting hierarchy, completion mechanics and disputed classifications.