Net Working Capital Calculator
Calculate Net Working Capital, Current Ratio, and Quick Ratio from your balance sheet.
Assess short-term liquidity health with industry benchmark comparisons.
Net Working Capital (NWC) Formula
Net Working Capital measures a company’s short-term financial health — the buffer between what you owe in the next 12 months and what you have available to pay it with.
NWC = Current Assets − Current Liabilities
What Are Current Assets?
Assets that will be converted to cash within 12 months:
- Cash and cash equivalents: money in the bank, money market funds
- Accounts receivable: money owed to you by customers (already invoiced)
- Inventory: goods available for sale
- Short-term investments: marketable securities
- Prepaid expenses: insurance or rent paid in advance
What Are Current Liabilities?
Obligations due within 12 months:
- Accounts payable: money you owe to suppliers
- Short-term debt: bank lines of credit, current portion of long-term debt
- Accrued liabilities: wages payable, taxes payable, interest payable
- Deferred revenue: payments received but not yet earned
Current Ratio
Measures ability to pay short-term obligations with short-term assets:
Current Ratio = Current Assets ÷ Current Liabilities
Quick Ratio (Acid-Test)
A stricter measure that excludes inventory (which may take time to sell):
Quick Ratio = (Current Assets − Inventory) ÷ Current Liabilities
Interpreting the Results
| NWC | Meaning |
|---|---|
| Positive | Can cover short-term obligations, healthy |
| Zero | Exactly breaking even, vulnerable to any disruption |
| Negative | Owes more than it has liquid, liquidity risk |
Ratio Benchmarks
| Ratio | Danger Zone | Healthy Range | Excess Cash |
|---|---|---|---|
| Current Ratio | < 1.0 | 1.5 – 3.0 | > 3.0 |
| Quick Ratio | < 0.5 | 0.8 – 1.5 | > 2.0 |
Note: Retailers and grocery chains often operate with current ratios below 1.0 intentionally — their inventory turns fast enough that it is not a problem.
Worked Example
A small manufacturer’s balance sheet extract:
- Cash: $45,000 | Accounts Receivable: $80,000 | Inventory: $60,000 | Other Current Assets: $5,000
- Accounts Payable: $55,000 | Short-term Debt: $30,000 | Other Current Liabilities: $15,000
- Total Current Assets = $45,000 + $80,000 + $60,000 + $5,000 = $190,000
- Total Current Liabilities = $55,000 + $30,000 + $15,000 = $100,000
- NWC = $190,000 − $100,000 = $90,000 (healthy)
- Current Ratio = $190,000 ÷ $100,000 = 1.90 (healthy)
- Quick Ratio = ($190,000 − $60,000) ÷ $100,000 = 1.30 (healthy)
Pro Tips
- Negative NWC is not automatically fatal: Amazon, McDonald’s, and Walmart regularly operate with negative NWC because they collect cash before paying suppliers.
- Watch NWC trends over time. Declining NWC over several quarters is a more important warning sign than a single snapshot.
- Companies burning through working capital may need to raise debt or equity: an early warning signal for investors.
How we build and check this calculator
This calculator runs entirely in your browser, so the numbers you enter stay on your device. The math behind it is written by hand and tested against worked examples and standard references before the page goes live.
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