Current Ratio Calculator

What the current ratio measures

The current ratio answers one question: if every bill that comes due in the next twelve months arrived today, could the business pay them from the assets it can turn into cash in that same window? Divide current assets by current liabilities and you have the answer as a single number.

The SEC's Beginners' Guide to Financial Statements defines the two sides. Current assets are things the company expects to convert to cash within a year: cash itself, accounts receivable, inventory. Current liabilities are obligations due within the year: accounts payable, wages owed, the year's slice of any long-term loan. A bakery holding $37,000 in current assets against $24,000 in current liabilities runs a ratio of 1.54, which means $1.54 of short-term resources for every $1.00 of short-term bills.

The ratio is a snapshot taken on one date, usually the last day of a quarter or fiscal year. It says nothing about profit, and nothing about what happens the week after the snapshot. Two businesses with identical ratios can be in sharply different health, which is why the sections below pair the number with a working capital figure, a quick ratio and a trend.

The formula and which line items count

The math takes one line: current ratio = current assets / current liabilities. The Corporate Finance Institute's current ratio explainer uses the same two lines, and so does every lender who reads a balance sheet. The work is deciding what belongs in each bucket, and that is where most homemade versions go wrong.

One line trips people up: deferred revenue, the money customers paid ahead for work not yet delivered, counts as a current liability even though no cash will ever leave to pay it. It will be settled by delivering goods, but the SEC glossary puts it in the current bucket anyway because it comes due inside the year. Leave it out and a subscription business looks far more liquid than its balance sheet says.

Current liabilities also include the portion of long-term debt that comes due within twelve months, called the current portion of long-term debt. A company might carry a $400,000 mortgage with $28,000 due this year; the $28,000 goes in the bottom of the fraction, the rest stays out.

Worked example: a bakery with $37,000 in current assets

A neighborhood bakery closes its quarter with the following lines on the balance sheet.

Current ratio: $37,000 / $24,000 = 1.54. Working capital: $37,000 − $24,000 = $13,000. Now drop the inventory, which has to be sold before it is money: the quick ratio is ($37,000 − $15,000) / $24,000 = 0.92. Count only cash: $12,000 / $24,000 = 0.50.

Read together, the four numbers describe a workable but inventory heavy shop. The 1.54 headline looks comfortable, yet every dollar of it depends on selling flour and boxes on schedule. If a supplier moved to cash on delivery, the bakery's cushion would be the $12,000 in the bank against $24,000 of bills, and that is a different story than 1.54 suggests.

Worked example: a contractor at 1.20

A plumbing contractor closes the year with $40,000 cash, $120,000 of receivables, $35,000 of materials in the shop and $15,000 of prepaid insurance: $210,000 of current assets. Across the ledger sit $90,000 of payables, $50,000 drawn on a credit line and $35,000 of accrued costs: $175,000 of current liabilities.

The current ratio is $210,000 / $175,000 = 1.20, and working capital is $35,000. Drop inventory and the quick ratio is $175,000 / $175,000 = 1.00, because receivables dominate the asset side.

This profile is the mirror image of the bakery. The contractor's 1.20 headline is weaker than the bakery's 1.54, but the quality of the assets is better: almost everything is already money owed by clients rather than goods to sell. The risk sits in the receivable line instead. If the largest client stretches payment from 30 to 90 days, cash thins fast, and the ratio itself barely moves until the quarter turns. That is the limit of any point in time ratio, and the reason lenders read them alongside a cash flow statement.

What counts as a good current ratio

The textbook comfort zone sits between 1.5 and 2.0, and the calculator's reading band follows it. Under 1.0 means the balance sheet cannot cover the year's bills on paper, which can be survivable in businesses that collect cash fast but is worth investigating everywhere else. Above 3.0 raises a different question, whether the company is sitting on cash it should redeploy or carrying inventory it cannot sell.

Industry mix matters more than any universal band. Aswath Damodaran of NYU Stern publishes working capital ratios by industry showing how differently sectors fund themselves: retailers carry heavy inventory and payables that largely cancel out, software and service firms carry little of either, and manufacturers sit between. A grocer at 0.9 and a consulting firm at 3.5 can both be run soundly, while the same two numbers swapped would alarm both sets of lenders.

When you compare, compare within the industry and across time. A retailer drifting from 1.8 to 1.2 over three years is a real signal even if 1.2 is normal for the sector; the trend carries information the single number does not.

Why a high ratio can still be a warning

Because the ratio lumps everything current together, it can flatter a business that is quietly rotting. Three patterns account for most of the trouble.

Stale inventory. Inventory enters the numerator at cost. Goods that have not moved in a year still count dollar for dollar with cash, so a shop holding $100,000 of unsold winter coats in July reads exactly as liquid as a shop holding $100,000 of Treasury bills. The quick ratio exists to catch this, and aging reports catch it better.

Slow receivables. A customer balance from 200 days ago is not money, it is a dispute waiting to be written off. Two contractors can both show $120,000 of receivables; one collects in 35 days, the other in 95. Only the aging schedule tells them apart, yet the current ratio scores them identically.

Window dressing. Because the snapshot lands on a fixed date, the number can be managed. Paying down a credit line the week before year end lifts the ratio, then the balance builds back in January. Reading two or three periods, and the cash flow statement underneath, makes that kind of polish visible.

Current ratio, quick ratio and cash ratio together

The current ratio is the loosest of the three liquidity tests. Each stricter version strips out one more layer of friction between an asset and the cash register.

The contractor's quick ratio of 1.00 tells you receivables alone could settle every bill due, assuming clients pay. The bakery's 0.92 says the same statement is true only if flour gets sold first. The cash ratios, 0.50 and 0.23, describe what happens if everything else stalls: the bakery could pay half its bills today, the contractor less than a quarter.

None of the three is the single right answer. Banks look hardest at the cash ratio, suppliers at the current ratio, and analysts who know the industry read the gap between current and quick as a measure of how much of the liquidity depends on moving goods.

Reading a real balance sheet: Apple at 0.89

Real filings make the benchmark bands look rougher than textbooks admit. Apple's fiscal 2025 Form 10-K lists total current assets of $147,957 million against total current liabilities of $165,631 million, a current ratio of 0.89 and working capital of about −$17.7 billion. The year before the same math gave 0.87.

By the band reading, the most valuable company in the world runs in the red zone. It does so on purpose and with the full knowledge of its lenders: the liabilities side is stuffed with accounts payable and deferred revenue, which are signs of bargaining power and prepaid demand rather than distress, and the asset side deliberately holds little inventory. When the business converts inventory faster than it pays suppliers, negative working capital is a financing source, not a hole.

The general lesson runs both ways. A small business at 0.89 deserves scrutiny because it lacks Apple's negotiating position and cash generation. A small business at 3.5 deserves the same question Apple would: why is that much cash sitting still? The calculator gives you the number; the balance sheet behind it decides what the number means.