The quick ratio — also called the acid-test ratio — is one of the most widely used measures of a company’s short-term financial health. It answers a single critical question: if all current obligations fell due tomorrow, could the business pay them from assets it can convert to cash almost immediately?
Unlike the current ratio, the quick ratio excludes inventory and prepaid expenses because these items cannot realistically be liquidated overnight. What remains — cash, marketable securities and trade receivables — is the true “quick” asset pool that stands between a business and a liquidity crisis.
How it works
The calculation uses the following standard formula from financial accounting:
Quick Ratio = (Cash + Short-Term Investments + Net Receivables) / Current Liabilities
If you are working from a published balance sheet rather than line-item detail, the equivalent form is:
Quick Ratio = (Current Assets - Inventory - Prepaid Expenses) / Current Liabilities
The calculator supports both entry points. Enter your figures and it computes the ratio to four decimal places, then maps it to one of four plain-English verdicts:
| Range | Verdict |
|---|---|
| 1.50 and above | Strong liquidity |
| 1.00 to 1.49 | Adequate liquidity |
| 0.50 to 0.99 | Weak liquidity |
| Below 0.50 | Critical liquidity risk |
A visual proportional bar chart compares quick assets directly against current liabilities so you can see the gap at a glance.
Worked example
Suppose a UK limited company has the following balance-sheet items at its financial year end:
- Cash and bank balances: £52,000
- Marketable securities (treasury bills): £18,000
- Net trade receivables: £35,000
- Current liabilities (creditors, VAT, PAYE, short-term loan): £80,000
Quick assets = 52,000 + 18,000 + 35,000 = £105,000
Quick Ratio = 105,000 / 80,000 = 1.31
This falls in the “Adequate liquidity” band. For every £1 of near-term obligations, the company holds £1.31 of liquid assets — a reasonable buffer, though tighter than many lenders would like to see. Adding a £10,000 overdraft facility or accelerating debtor collection by just two weeks would push the ratio comfortably above 1.5.
If the same company also carries £45,000 of inventory and £8,000 of prepaid insurance, the current ratio would be (105,000 + 45,000 + 8,000) / 80,000 = 1.98 — a very different and more flattering picture that masks the true cash position. The gap between the two ratios is exactly why analysts rely on the quick ratio for stress-testing.
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