Formula & Calculator

Quick Ratio (Acid-Test)

Stricter liquidity measure than the current ratio, excluding inventory since it may not be quickly convertible to cash.

FinanceCorporate FinanceFinancial Ratios

Quick Ratio CalculatorAcid‑Test Ratio

QR = (CA − Inventory) / CL
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Quick Ratio Gauge
Low (<1.0) Moderate (1.0–1.5) Healthy (1.5–2.0) High (>2.0)
Quick Ratio = (Current Assets − Inventory) / Current Liabilities · Healthy > 1.0

Interpretation

Quick Ratio = (Current Assets − Inventory) / Current Liabilities. A stricter liquidity measure excluding inventory. Used to assess ability to pay debts quickly.

Quick Ratio = (Current Assets - Inventory) / Current Liabilities
Quick Ratio (Acid-Test)

Variables

SymbolQuantityUnit
Quick RatioQuick (acid-test) ratio
Current AssetsTotal current assetscurrency
InventoryInventory valuecurrency
Current LiabilitiesCurrent liabilitiescurrency

What it means

The quick ratio (acid‑test) is a more conservative liquidity metric than the current ratio, as it excludes inventory, which may not be quickly convertible to cash. It measures the ability of a company to meet its short‑term obligations using its most liquid assets (cash, marketable securities, accounts receivable). A quick ratio above 1 is considered strong. It is widely used by creditors and analysts to assess a company’s short‑term financial health without relying on inventory sales. Understanding this ratio is important for evaluating liquidity in industries with slow‑moving inventory.

Worked example

Quick Ratio – Two Detailed Examples

Real‑World
Scenario: A company has current assets of $500,000, inventory of $200,000, and current liabilities of $300,000. The finance manager calculates the quick ratio (acid‑test) to measure liquidity without relying on inventory, which may be less liquid. This provides a more conservative view of the company's ability to meet short‑term obligations.
ParameterValue
Current Assets500000
Inventory200000
Current Liabilities300000
1Quick Assets = 500000 − 200000 = 300000
2Quick Ratio = 300000 / 300000 = 1
Result 1.0 ✓ Adequate quick assets
Scenario: Another firm has current assets of $200,000, inventory of $50,000, and current liabilities of $250,000. The quick ratio shows a low ability to pay off debts without selling inventory. This may signal a liquidity problem that requires management attention.
ParameterValue
Current Assets200000
Inventory50000
Current Liabilities250000
1Quick Assets = 150000
2Quick Ratio = 150000 / 250000 = 0.6
Result 0.6 ✓ Low liquidity
Insight: The quick ratio excludes inventory, providing a more stringent test of liquidity. A ratio below 1 may indicate potential short‑term liquidity issues.

Common mistakes

  • Quick ratio: Also called acid‑test – a stricter liquidity measure.
  • Inventory: Excluded because it is less liquid – may not be quickly converted to cash.
  • Other current assets: Include cash, marketable securities, accounts receivable.
  • Interpretation: A higher ratio indicates better short‑term liquidity.
  • Typical benchmark: > 1 is considered healthy.

Applications

The quick ratio (acid‑test) is a more stringent liquidity measure than the current ratio, as it excludes inventory from current assets. This provides a better indication of a company's ability to meet short‑term obligations without relying on inventory sales. Creditors and analysts use it to assess financial risk, especially in industries with slow‑moving inventory. A quick ratio above 1 is generally considered healthy. By calculating the quick ratio, professionals can evaluate the immediate liquidity position and the company's ability to handle unexpected cash needs. This metric is essential for credit analysis and for short‑term financial planning.

  • Credit risk assessment and lending decisions
  • Short‑term solvency evaluation
  • Comparison of liquidity across companies and industries
  • Financial planning and cash flow management
  • Bank covenants and compliance monitoring

Frequently Asked Questions

Q01What is the quick ratio and what does it measure?
A01

Quick Ratio = (Current Assets − Inventory) / Current Liabilities. It measures a company's ability to cover short‑term obligations using its most liquid assets (cash, marketable securities, accounts receivable) – excluding inventory.

Q02Why is inventory excluded from the quick ratio?
A02

Inventory may not be quickly converted to cash without a significant discount. The quick ratio provides a more conservative view of liquidity, especially for companies with slow‑moving inventory.

Q03What is a good quick ratio?
A03

A quick ratio of 1.0 or higher is generally considered healthy, indicating that liquid assets can cover current liabilities. However, this varies by industry.

Q04How does the quick ratio compare to the current ratio?
A04

The quick ratio is always ≤ current ratio because inventory is subtracted. If a company has a high current ratio but a low quick ratio, it may be over‑reliant on inventory to meet obligations.

Q05What are the limitations of the quick ratio?
A05

  • It may be too conservative if inventory is highly liquid (e.g., grocery items).
  • Accounts receivable may not be fully collectible.
  • It does not consider the timing of cash flows.

Q06How does the quick ratio affect credit analysis?
A06

Credit analysts often prefer the quick ratio over the current ratio because it provides a clearer picture of immediate liquidity. A low quick ratio may raise concerns about default risk.

Q07What is the quick ratio for a company with current assets $600,000, inventory $150,000, and current liabilities $300,000?
A07

Quick Ratio = (600,000 − 150,000) / 300,000 = 450,000 / 300,000 = 1.5. This is healthy.

Q08How can a company improve its quick ratio?
A08

By increasing cash or reducing current liabilities. For instance, collecting receivables faster or securing a long‑term loan to pay off short‑term debt.

Q09What is the difference between quick ratio and cash ratio?
A09

Cash ratio is even more conservative: (Cash + Marketable Securities) / Current Liabilities. It excludes accounts receivable as well.

Q10When would the quick ratio be less useful?
A10

For businesses where inventory is highly liquid and turns over very quickly (e.g., fresh food retail), the quick ratio may understate liquidity, and the current ratio may be more appropriate.