Quick ratio vs working capital
A ratio is portable across sizes. An absolute dollar figure is what bank covenants test. Both link back to the cash conversion cycle.
The quick ratio is a unitless ratio that compares near-cash assets to current liabilities. Working capital is an absolute dollar figure (current assets minus current liabilities). The quick ratio enables peer comparison across firm sizes; working capital is what most loan covenants and credit agreements actually measure. Read them together: a healthy quick ratio with falling working capital can be an early warning that the firm is growing into its liquidity headroom.
Verified June 2026. Source: Subramanyam, Financial Statement Analysis, 11th Edition (pp. 499-505).
Side-by-side
| Dimension | Quick ratio | Working capital |
|---|---|---|
| Form | Unitless ratio | Dollar amount |
| Includes inventory | No | Yes |
| Peer comparison | Strong | Weak (size sensitive) |
| Covenant testing | Sometimes | Almost always |
| Reveals trend | Yes | Yes |
Worked example: same quick ratio, different working capital
Acme Co. and Beta Co. are illustrative firms. Acme is small, Beta is large, but both report identical quick ratios. Working capital tells a very different story. Numbers chosen to demonstrate methodology.
| Metric | Acme Co. | Beta Co. |
|---|---|---|
| Cash + AR | $60,000 | $60,000,000 |
| Inventory | $40,000 | $40,000,000 |
| Current liabilities | $50,000 | $50,000,000 |
| Quick ratio | 1.20 | 1.20 |
| Working capital | $50,000 | $50,000,000 |
Illustrative example, not a real company.
A bank covenant requiring "minimum working capital of $25,000,000" would clear Beta easily and fail Acme overnight. The quick ratio cannot capture that. Conversely, a sell-side analyst comparing Acme and Beta as peers would use the quick ratio because absolute dollars are not comparable.
When to favour each
- Use the quick ratio for peer benchmarking, sector analysis, and AI-driven screening across heterogeneous firm sizes.
- Use working capital for covenant testing, internal cash-flow planning, and absolute liquidity buffers against operating expense.
- Use both for credit analysis. Together they reveal whether a firm is liquid in relative terms and large enough in absolute terms.
Covenant testing
How loan covenants specify quick ratio vs working capital floors.
Quick ratio vs current ratio
The inventory question, side by side.