Current ratio and quick ratio — liquidity ratios explained.

Liquidity ratios measure a company’s ability to meet its short-term financial obligations — debts and payables due within one year. They are a critical check on financial health because even a profitable company can fail if it cannot pay its bills on time.

Liquidity focuses on the relationship between current assets (cash, accounts receivable, inventory, marketable securities) and current liabilities (accounts payable, short-term debt, accrued expenses). The two most widely used liquidity ratios are the current ratio and the quick ratio (also called the acid test ratio).

Understanding liquidity is a cornerstone of fundamental analysis. These ratios help you spot companies that are financially stable versus those that may be stretched thin. They are also a key input for assessing bankruptcy risk and financial distress.

See how liquidity fits into the bigger picture by reading the complete fundamentals guide.

The current ratio is the simplest and most commonly cited liquidity metric. It compares all current assets to all current liabilities.

Current ratio formula: Current Assets / Current Liabilities. If a company has $10 million in current assets and $5 million in current liabilities, its current ratio is 2.0. That means it has two dollars of short-term assets for every dollar of short-term debt.

A current ratio above 1 means current assets exceed current liabilities — the company can theoretically cover its near-term obligations. The range of 1.5 to 3.0 is generally considered healthy. Below 1.0 is a red flag that warrants closer examination of the company’s ability to stay solvent.

The current ratio is closely related to the balance sheet, where both current assets and current liabilities are reported.

The quick ratio — also called the acid test ratio — is a stricter version of the current ratio. It excludes inventory from current assets because inventory may not be quickly convertible to cash at full value.

Quick ratio formula: (Current Assets - Inventory) / Current Liabilities. Some versions also exclude prepaid expenses for an even more conservative measure.

Using the same example: $10 million in current assets, $3 million in inventory, and $5 million in current liabilities gives a quick ratio of 1.4 (($10M - $3M) / $5M). While the current ratio looked healthy at 2.0, the quick ratio reveals a tighter liquidity position once inventory is removed.

The quick ratio is especially important for companies with slow-moving, perishable, or technologically obsolete inventory. It is a key input for assessing financial distress risk.

The key difference is simple: the quick ratio excludes inventory from current assets while the current ratio includes everything. This difference has important implications for analysis.

Large gap between the two

When the gap between current ratio and quick ratio is wide, it means inventory makes up a significant portion of current assets. This is common in retail, manufacturing, and automotive industries. A wide gap is not necessarily bad, but it means you need to assess inventory quality — is the inventory likely to sell at full value?

Small gap between the two

When the two ratios are close, the company holds little inventory relative to its other current assets. This is typical for software, consulting, and service businesses. For these companies, the current ratio and quick ratio tell roughly the same story.

As a rule of thumb, use the current ratio for a broad liquidity check and the quick ratio for a conservative assessment. If both ratios are healthy, the company’s short-term liquidity is likely solid.

There is no single answer to what constitutes a good current ratio. The context of the industry, the company’s business model, and its historical trends all matter. However, some general guidelines can help you interpret the number.

The 1.5 to 3.0 range

Most analysts consider a current ratio between 1.5 and 3.0 to be healthy. Above 1.5 provides a comfortable cushion. Above 3.0 can indicate that the company is not using its assets efficiently — perhaps holding too much cash or carrying excessive inventory.

Below 1.0: a warning

A current ratio below 1.0 means current liabilities exceed current assets. This is a potential liquidity warning. However, some well-run companies operate below 1.0 if they have strong cash flow or rapid inventory turnover. Always check the quick ratio and cash flow statement to confirm.

Trend matters more than the number

A single current ratio snapshot is less informative than the trend over several quarters. A current ratio that steadily declines from 2.5 to 1.2 over two years is more concerning than a stable ratio at 1.2. Trend analysis reveals whether liquidity is improving or deteriorating.

Liquidity ratios vary significantly across industries. Understanding what is normal for a given sector is essential before drawing conclusions.

Retail and manufacturing

These industries tend to have higher current ratios because they carry significant inventory and receivables. A current ratio of 2.0 or higher is common. The quick ratio is especially important here because inventory can be substantial and may not sell quickly.

Technology and services

Software and service companies typically have lower current ratios — often in the 1.0 to 1.5 range. They hold little inventory, have efficient receivables collection, and often generate strong cash flow. A 1.2 current ratio for a SaaS company may be perfectly healthy.

Utilities

Regulated utilities have predictable cash flows and moderate current ratios, typically between 0.8 and 1.5. Their regulated returns provide stability that makes lower liquidity acceptable.

Explore sector-by-sector comparisons on the sectors page to see typical liquidity ranges for different industries.

Continue learning with our guide to balance sheet explained or the debt to equity ratio. Or return to the complete fundamentals guide for the full picture.