Working Capital Calculator
Measure your business liquidity—see if you have enough cash to operate smoothly
What is Working Capital?
Working capital is the cash available for day-to-day operations. It's the difference between your current assets (cash, receivables, inventory) and current liabilities (payables, short-term debt).
Formula
Working Capital = Current Assets - Current Liabilities
Understanding the Key Metrics
Current Ratio
Ideal Range: 1.5 - 3.0
- Above 2.0: Excellent liquidity
- 1.5 - 2.0: Good liquidity
- 1.2 - 1.5: Adequate but tight
- Below 1.0: Concerning—you owe more than you have
Quick Ratio (Acid Test)
Ideal: Above 1.0
More conservative than current ratio—excludes inventory because it can take time to sell. Shows if you can pay bills using only liquid assets.
Cash Runway
Ideal: 3-6 months minimum
How long you can survive without additional income. Startups should target 12-18 months. Established businesses need at least 3-6 months.
Why Working Capital Matters
Pay Bills On Time
Adequate working capital means you can pay suppliers, employees, and rent without stress. Late payments damage relationships and credit.
Seize Opportunities
Strong working capital lets you take advantage of bulk discounts, invest in marketing, or jump on time-sensitive deals.
Get Better Financing
Lenders look at working capital ratios. Strong ratios = lower risk = better rates. Many lenders won't approve loans if your current ratio is below 1.2.
Weather Downturns
6+ months of working capital gives you cushion during slow seasons, economic downturns, or unexpected expenses.
How to Improve Working Capital
Increase Current Assets
- Collect receivables faster: Offer early payment discounts (2% if paid within 10 days)
- Reduce inventory: Clear out slow-moving stock, implement just-in-time ordering
- Increase cash: Boost sales, secure a line of credit, delay capital purchases
Decrease Current Liabilities
- Negotiate payment terms: Ask vendors for Net 60 instead of Net 30
- Consolidate short-term debt: Refinance into a longer-term loan to reduce monthly obligations
- Pay strategically: Pay bills on the last day they're due to preserve cash longer
Frequently Asked Questions
What if my working capital is negative?
You're operating on borrowed time—you owe more than you have in liquid assets. This is unsustainable. Immediately: (1) Secure emergency financing, (2) Collect all outstanding invoices, (3) Negotiate extended payment terms with vendors, (4) Cut non-essential expenses.
Can working capital be too high?
Yes. A ratio above 3.0 suggests you're hoarding cash instead of investing in growth. Excess cash could be used for marketing, hiring, new equipment, or paying down long-term debt. However, this is a "good problem" compared to too little working capital.
How often should I calculate working capital?
Monthly at minimum, weekly if you have tight cash flow. Set up a simple spreadsheet to track current assets and liabilities. Most accounting software (QuickBooks, Xero) can generate working capital reports automatically.
What's the difference between working capital and cash flow?
Working capital is a snapshot at a moment in time (current assets - current liabilities). Cash flow is movement over a period (cash coming in vs. going out). You can have positive working capital but negative cash flow if customers pay slowly.