Working capital

Working capital is the difference between a business's current assets and current liabilities, and it shows whether the business has enough short-term resources to fund its day-to-day operations.

Verified for the 2027 AP Business with Personal Finance examLast updated June 2026

What is working capital?

Working capital is the money a business has left over to run its daily operations after covering its short-term bills. You find it by taking current assets (cash, inventory, and anything else expected to turn into cash within a year) and subtracting current liabilities (debts and obligations due within a year). If current assets meet or exceed current liabilities, the business has positive working capital and can keep the lights on.

This number lives on the balance sheet, the financial statement built on the equation assets = liabilities + owners' equity (EK 3.7.A.1). Working capital isn't a separate line you read off directly; you calculate it from the current items the balance sheet groups by liquidity (EK 3.7.A.2). Think of it as a quick health check: does the business have enough cash flow on hand to pay employees, buy supplies, and stay open, or is it about to run short?

Why working capital matters in AP Business with Personal Finance

Working capital is named directly in the CED under Topic 3.7, The Balance Sheet and Net Worth (Unit 3). It supports learning objective AP Business 3.7.B, interpreting a business's balance sheet. EK 3.7.B.2 spells it out: a balance sheet shows whether a business has sufficient working capital to fund day-to-day operations, meaning current assets meet or exceed current liabilities. This is one of the three things stakeholders look for on a balance sheet, alongside positive net worth and a reasonable debt level. Mastering working capital means you can read a balance sheet and judge a company's short-term financial condition, which is exactly the skill this topic tests.

Keep studying AP Business with Personal Finance Unit 3

How working capital connects across the course

Balance Sheet (Unit 3)

Working capital comes straight from the balance sheet's current items. You can't calculate it without the balance sheet, so understanding one means understanding the other.

Net Worth (Unit 3)

Net worth (owners' equity) is total assets minus total liabilities, while working capital is only the short-term slice (current assets minus current liabilities). A company can have positive net worth but still run low on working capital if its money is tied up in long-term assets.

Asset Liquidity (Unit 3)

Working capital only counts current assets, the ones that turn into cash within a year. Liquidity is the whole reason current assets matter here: the easier an asset converts to cash, the faster it can cover short-term bills.

Is working capital on the AP Business with Personal Finance exam?

Expect MCQs that hand you numbers and ask you to do the math. One practice item gives a retail business with $150,000 in current assets and $95,000 in current liabilities, then asks which term describes the $55,000 difference available to fund daily operations. The answer is working capital. Other stems flip it: if current liabilities exceed current assets, the company has negative working capital and may struggle to fund operations. You'll also see stakeholder framing, like a CFO reviewing the balance sheet to assess working capital and debt levels. Your job is to either calculate working capital or interpret what a positive or negative figure says about financial condition.

Working capital vs net worth (owners' equity)

Working capital uses only CURRENT assets and CURRENT liabilities (the short-term, within-a-year stuff), while net worth uses TOTAL assets minus TOTAL liabilities. Working capital answers 'can this business pay its bills this year?' Net worth answers 'what is the owners' overall claim on the business?'

Key things to remember about working capital

  • Working capital equals current assets minus current liabilities.

  • Positive working capital (current assets meet or exceed current liabilities) means a business can fund its day-to-day operations.

  • Negative working capital means current liabilities exceed current assets, a warning sign about short-term financial health.

  • You calculate working capital from the balance sheet, but it isn't a single line you read off directly.

  • Working capital is short-term only, unlike net worth, which compares all assets to all liabilities.

Frequently asked questions about working capital

What is working capital in AP Business?

Working capital is current assets minus current liabilities. It measures whether a business has enough short-term resources to cover its day-to-day operations, and it ties directly to EK 3.7.B.2 in Topic 3.7.

How do you calculate working capital?

Subtract current liabilities from current assets. For example, $150,000 in current assets minus $95,000 in current liabilities gives $55,000 of working capital available to fund daily operations.

Is working capital the same as net worth?

No. Working capital uses only current (short-term) assets and liabilities, while net worth uses total assets minus total liabilities. A company can have strong net worth but weak working capital if most of its value is tied up in long-term assets.

What does negative working capital mean?

It means current liabilities exceed current assets, so the business may not have enough cash and short-term resources to pay its bills. On the AP exam, that signals a company in poor short-term financial condition.

Is working capital on the AP Business exam?

Yes. It appears in Topic 3.7 under learning objective 3.7.B, and practice questions ask you to calculate it from balance sheet figures or interpret what a positive or negative value says about a company's financial health.

Keep studying AP Business with Personal Finance

Connect this key term to the AP exam workflow: review the course, practice questions, and check related study tools.