Current Ratio

In one sentence: The current ratio tells you whether a business has enough short-term assets to cover its short-term debts, by dividing one total by the other.

$\text{Current ratio} = \frac{\text{Current assets}}{\text{Current liabilities}}$

Read it out loud: “Current ratio equals current assets divided by current liabilities. Current assets are what the business owns that will turn into cash within one year. Current liabilities are what it owes that must be paid within one year. The result is a plain number, with no unit.”

Before you start

The ideas and signs this page uses, explained from zero. For powers of ten, Greek letters and other notation in general, see Math basics.

Assets and liabilities: An asset is something a business owns that has value, such as cash, stock or a delivery van. A liability is something it owes to someone else, such as a supplier bill or a bank loan. The balance sheet lists both on a single day.
Current, meaning within one year: In accounting, current means within one year of the balance sheet date. A current asset will turn into cash within that year, and a current liability must be paid within that year. Items due later are called long-term.
Inventory: Inventory is the stock a business holds to sell, such as finished tools waiting in a warehouse. It counts as a current asset, but it must first be sold and the customer must pay before it becomes cash.
Ratio and the fraction bar: A ratio compares two amounts by division. The fraction bar in $\frac{a}{b}$ means divide $a$ by $b$ . So a ratio of 1.5 means the top amount is one and a half times the bottom amount.
Dollars and the unit of money: The amounts on this page are in dollars, so 300000 dollars means three hundred thousand dollars. When two amounts in dollars are divided, the dollar unit cancels and the result is a plain number.

What each symbol means

Symbol	Meaning
$\text{Current assets}$	Everything the business owns that is cash now or expected to become cash within one year: money in the bank, customers’ bills not yet paid, and stock it plans to sell. Measured in dollars.
$\text{Current liabilities}$	Everything the business owes that must be paid within one year, such as supplier bills and short-term loans. Measured in dollars.
$\text{Current ratio}$	The result: how many dollars of current assets the business has for each one dollar of current liabilities. It has no unit, because dollars divided by dollars cancel.

The formula piece by piece

$\text{Current assets}$: Start with the top of the fraction. This is the total of everything the business owns that will become cash within a year: cash, unpaid customer bills and stock. A bigger total means more money is close at hand.
$\text{Current liabilities}$: This is the bottom of the fraction. It is the total of everything the business owes that must be paid within a year. It is the size of the bills that the current assets have to cover.
$\frac{\text{Current assets}}{\text{Current liabilities}}$: Divide the top by the bottom. The result says how many dollars of short-term resources stand behind each dollar of short-term debt.
$\text{Current ratio} = \frac{\text{Current assets}}{\text{Current liabilities}}$: The whole formula in one sentence: the current ratio equals current assets divided by current liabilities.

What the formula is doing, and why

Imagine a household with bills. Some money is already in the bank, and some bills come due soon. The current ratio asks one simple question: if every bill due within the next year had to be paid, would the business have enough short-term money to pay them? It is the ratio of two totals, both taken from the balance sheet, which is the list of what a business owns and owes on one day.

Why divide? Division compares two amounts of the same kind and tells you how many times one fits into the other. If current assets are 300000 dollars and current liabilities are 200000 dollars, the ratio says the business holds 1.5 dollars of short-term resources for every dollar it owes soon. A ratio of 1 means the two totals are equal. Above 1 means a cushion, and below 1 means the short-term bills are bigger than the short-term resources.

Why only current items? A business can own a large factory and still struggle to pay next month’s suppliers, because a factory cannot be spent on a supplier bill. The current ratio looks only at items close to cash, so it measures short-term safety rather than total wealth. Long-term debts and long-lived assets are left out for that reason.

What the number does not tell you. A ratio is a snapshot taken on one day, and a healthy level depends on the industry. A grocery store often runs with a thinner cushion than a company that sells heavy machinery. Read the ratio together with its trend over several periods and with related measures, such as the quick ratio, which leaves out inventory.

An everyday picture

Think of a household that gets paid every two weeks. Its current assets are the cash in the wallet, the money in the checking account and the paycheck due on Friday. Its current liabilities are the bills due before the next payday: the rent, the phone bill and the card minimum. If the cash on hand is 1.5 times the bills due this month, the household can cover them comfortably. If the cash is only half the bills, it must borrow, sell something or wait. The current ratio is that same test applied to a company’s books.

Worked example: Can Harbor Tools Ltd pay its short-term bills?

Harbor Tools Ltd is a made-up company that sells hand tools. At the end of the year its balance sheet shows these current assets: 50000 dollars of cash, 120000 dollars of customer bills still to be paid, and 130000 dollars of tools in stock. All three are expected to turn into cash within a year. Its current liabilities are 120000 dollars owed to suppliers and 80000 dollars of a short-term bank loan due within the year. We want the current ratio.

Add up the current assets. We need the total of everything close to cash, so we add the three parts: $50000 + 120000 + 130000 = 300000\ \text{dollars}$ . Each part counts because each is expected to turn into cash within one year.
Add up the current liabilities. Next we add everything that must be paid within the year: $120000 + 80000 = 200000\ \text{dollars}$ . The supplier bills and the short-term loan are both due within twelve months, so both count.
Divide current assets by current liabilities. The formula puts current assets on top and current liabilities on the bottom: $\frac{300000\ \text{dollars}}{200000\ \text{dollars}} = 1.5$ . The dollar units cancel, which leaves a plain number with no unit.
Read the answer in words. A ratio of 1.5 means the business holds 1.5 dollars of short-term resources for every 1 dollar it owes within the year. That is more than enough on paper, because the resources exceed the bills by half again.
Check the result with a stricter view. If the 130000 dollars of tools in stock could not be sold quickly, the remaining 170000 dollars of cash and customer bills would cover 170000 out of 200000 dollars of bills. That gives $\frac{170000}{200000} = 0.85$ , which is the quick ratio. It shows that the comfortable 1.5 depends on selling the stock.

Answer: The current ratio of Harbor Tools Ltd is 1.5, so on paper the company can cover the bills due within the year. The quick ratio of 0.85 shows that this comfort depends on turning the stock of tools into cash.

The numbers in this example are recomputed by script every time the site is built.

Common mistakes

Counting long-term assets, such as a building, as current assets. Only items expected to turn into cash within one year belong on the top line.
Flipping the fraction and dividing current liabilities by current assets. The answer then reads the wrong way round, so a strong business would look weak.
Treating a ratio of exactly 1 as a pass or fail mark. A number near 1 is a thin cushion, but the right level depends on the industry.
Judging the company from one day’s figures. Compare the ratio over several periods to see whether it is rising or falling.
Assuming stock is as safe as cash. Stock must first be sold and collected, and it may sell for less than its listed value.

Where you will meet it

Bank reviews of a business loan application, where lenders check whether short-term bills can be met.
Financial statement analysis of a company’s annual report, which lists current assets and current liabilities on the balance sheet.
Supplier credit decisions, when a supplier judges whether a company is likely to pay within the agreed terms.
Investment research, where analysts compare companies in the same industry on their short-term safety.

Questions people ask

Is a higher current ratio always better?

Not always. A very high ratio can mean cash and stock are sitting idle instead of being put to work, for example to repay debt or buy equipment. A ratio that is too low is a warning sign, but a moderate ratio that stays steady is often healthy.

What is a good current ratio?

There is no single correct value. The answer depends on the industry, the business model and how quickly stock turns into cash. Compare a company with others in the same industry, and watch whether its ratio is moving up or down.

Where do I find current assets and current liabilities?

They are listed on the balance sheet, a financial statement that shows what a company owns, what it owes and what is left for its owners on one date. Public companies publish it in their annual reports.

Accounting Equation: The accounting equation says everything a business owns equals what it owes to others plus what belongs to its owners.
Debt-to-Equity Ratio: The debt-to-equity ratio shows how much a business is funded by borrowing compared with money from its owners: a higher number means more debt.
Net Profit Margin: Net profit margin says how many cents of profit a business keeps from each dollar of sales, after every cost has been paid.