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How to Calculate Working Capital

What is Working Capital?

Working capital is the difference between a company's current assets (cash, receivables, inventory) and current liabilities (payables, short-term debt). It measures short-term liquidity — the ability to pay bills and fund day-to-day operations.

Step-by-Step Guide

  1. 1List current assets: cash, accounts receivable, inventory, prepaid expenses
  2. 2List current liabilities: accounts payable, accrued expenses, short-term loans
  3. 3Working capital = Current assets − Current liabilities
  4. 4Working capital ratio = Current assets / Current liabilities (>1 is healthy)

Worked Examples

Input
Current assets £200k · Current liabilities £120k
Result
£80k working capital (ratio 1.67)
Comfortable liquidity
Input
Current assets £90k · Current liabilities £110k
Result
−£20k (ratio 0.82)
Negative — potential liquidity crisis

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