What is a good working capital ratio?

The appropriate current ratio varies by industry. Capital-intensive manufacturing and distribution businesses typically target 1.5 to 2.5. Retail businesses with fast inventory turns can operate safely at 1.2 to 1.8. Service businesses with minimal inventory often run at 1.0 to 1.5. A ratio above 3.0 may indicate excess idle cash or over-investment in receivables and inventory. Industry-specific benchmarks from sources like Risk Management Association (RMA) annual studies provide the most relevant comparisons.

Can a profitable business have negative working capital?

Yes. Retail and subscription businesses often operate with intentionally negative working capital because customers pay before expenses are due (prepayment models) or because supplier credit terms extend beyond customer collection cycles. Amazon famously operates with negative working capital as a structural feature of its business model. However, for most businesses, negative working capital signals a dependency on continuous revenue to fund existing obligations -- a fragile position if revenue slows.

How does working capital affect access to credit?

Lenders use working capital ratios as primary underwriting criteria for revolving credit facilities, SBA loans, and trade credit. A current ratio below 1.2 or working capital below 10% of annual revenue often triggers additional scrutiny, higher interest rates, or reduced credit limits. Maintaining working capital above lender thresholds is both a financial health practice and a credit access strategy.

What is the difference between working capital and cash flow?

Working capital is a balance sheet measure -- a snapshot of current assets versus current liabilities at a point in time. Cash flow is an income statement and cash flow statement measure -- the movement of actual cash into and out of the business over a period. Both are important: working capital shows your short-term financial buffer; cash flow shows whether you are building or depleting that buffer over time.

Business Finance

Working Capital Calculator

Calculate net working capital, current ratio, quick ratio, and cash ratio from balance sheet items.

Balance Sheet Items

Total Current Assets ($)

Total Current Liabilities ($)

Or enter individual line items below:

Cash & Equivalents ($)

Accounts Receivable ($)

Inventory ($)

Accounts Payable ($)

Liquidity Analysis

Enter balance sheet items and click calculate.

Embed This Calculator on Your Website

Add this free calculator to your blog, website, or CMS with a simple copy-paste embed code.

Introduction

Working capital is the financial oxygen of a business. Too little and you miss supplier payments, lose early-payment discounts, or cannot fund growth. Too much and you have idle cash not working for the business -- an opportunity cost that compounds annually. The Federal Reserve's Small Business Credit Survey consistently finds that cash flow and working capital management are the top financial challenge for small businesses, cited by over 40% of respondents. Working capital is defined as current assets minus current liabilities -- the net short-term financial position of the business. A positive working capital balance means the business can meet its near-term obligations. A declining trend in working capital, even from a positive figure, is an early warning signal of financial stress. This calculator computes your working capital balance, working capital ratio, and flags whether your position is adequate for your revenue level.

What This Calculator Does

This working capital calculator takes your current assets (cash, accounts receivable, inventory, prepaid expenses) and current liabilities (accounts payable, accrued expenses, current portion of debt, deferred revenue) to produce working capital in dollars, the current ratio (current assets divided by current liabilities), and the quick ratio (liquid assets only). Use it for snapshot analysis, loan application preparation, or tracking working capital trends over time.

The Formula

Working Capital = Current Assets - Current Liabilities | Current Ratio = Current Assets / Current Liabilities | Quick Ratio = (Cash + Accounts Receivable) / Current Liabilities

Current assets are assets expected to be converted to cash within 12 months: cash equivalents, accounts receivable (net), inventory, and prepaid expenses. Current liabilities are obligations due within 12 months: accounts payable, accrued wages, short-term debt, and the current portion of long-term loans. The current ratio above 1.0 indicates current assets exceed current liabilities. The quick ratio (also called the acid-test ratio) excludes inventory, which may not be quickly liquidated, providing a more conservative view of short-term liquidity.

Step-by-Step Example

List all current assets with values

A manufacturing company's balance sheet shows: Cash $42,000. Accounts receivable (net of allowances) $118,000. Inventory $94,000. Prepaid insurance $8,500. Total current assets: $262,500.

List all current liabilities

Accounts payable $67,000. Accrued wages $18,400. Short-term notes payable $35,000. Current portion of equipment loan $12,000. Total current liabilities: $132,400.

Calculate working capital and ratios

Working capital: $262,500 - $132,400 = $130,100. Current ratio: $262,500 / $132,400 = 1.98. Quick ratio: ($42,000 + $118,000) / $132,400 = 1.21.

Interpret and benchmark

A current ratio of 1.98 is healthy for manufacturing (industry average approximately 1.5 to 2.5). The quick ratio of 1.21 confirms the business is liquid even without inventory liquidation. If the quick ratio were below 1.0, the business would depend on selling inventory to meet current obligations -- a risk signal.

Real-World Use Cases

Loan Application Documentation

A business applying for a $300,000 SBA loan needs to demonstrate working capital adequacy. The lender requires a minimum current ratio of 1.5. The business calculates its current position at 1.82 -- above the threshold -- and presents the analysis in the loan package. Knowing the ratio in advance allows the owner to prepare supporting documentation rather than be caught off-guard during underwriting.

Monitoring Growth-Driven Working Capital Strain

A distributor grows revenue 40% year-over-year. Working capital falls from $180,000 to $95,000 over the same period because accounts receivable and inventory grew faster than accounts payable and cash. The current ratio drops from 2.1 to 1.4. The calculator reveals the strain before a cash crisis occurs -- prompting the owner to negotiate extended payment terms with two key suppliers and accelerate collections from slow-paying customers.

Evaluating a Potential Acquisition Target

A buyer reviewing a target company's financials calculates working capital from the balance sheet. The target shows $1.2M in current assets against $1.4M in current liabilities -- negative working capital of -$200,000 and a current ratio of 0.86. This means the business cannot currently meet its short-term obligations from current assets alone. The buyer adjusts the offer price downward and includes a working capital peg in the purchase agreement to protect against post-close deterioration.

Comparison

Ratio	Calculation	Healthy Range (General)	Concern Level
Current Ratio	Current Assets / Current Liabilities	1.5 to 2.5	Below 1.0 = critical; below 1.5 = caution
Quick Ratio	(Cash + AR) / Current Liabilities	1.0 to 2.0	Below 0.8 = liquidity risk
Cash Ratio	Cash / Current Liabilities	0.5 to 1.0	Below 0.3 = very low cash buffer
Working Capital	Current Assets - Current Liabilities	Positive and growing	Negative = technical insolvency risk

Common Mistakes to Avoid

Including long-term assets in the current asset calculation. Investments held to maturity in 3 years, property, plant, and equipment, and goodwill are not current assets. Including them inflates the current ratio and gives a false picture of short-term liquidity.
Not adjusting accounts receivable for uncollectible amounts. Accounts receivable should be net of an allowance for doubtful accounts. Including full gross receivables overstates current assets and the current ratio if a portion of receivables are unlikely to be collected within 12 months.
Ignoring working capital quality when the ratio looks healthy. A current ratio of 2.0 backed primarily by slow-moving inventory in a declining market is less healthy than a 1.6 ratio backed by cash and current receivables. Look beyond the ratio to the composition of the assets -- particularly the collectibility of receivables and the liquidity of inventory.

Frequently Asked Questions

Accuracy and Disclaimer

Working capital calculations are based on the balance sheet figures provided. Results reflect a point-in-time snapshot and may not account for off-balance-sheet obligations, contingent liabilities, or seasonal fluctuations in asset and liability balances. This calculator is for analysis and planning purposes only and does not constitute financial or accounting advice.

Conclusion

Working capital analysis is most powerful as a trend measure -- a single snapshot tells you the current position, but month-over-month tracking reveals whether the business is generating or consuming liquidity. A deteriorating current ratio alongside growing revenue can signal that growth is outpacing the ability to finance it. To project future working capital requirements, use the Cash Flow Forecast Calculator. For businesses tracking inventory as a key component of current assets, the Inventory Turnover Calculator quantifies how efficiently that asset is being converted to cash.