Working Capital Calculator
Compute working capital, current ratio, and quick ratio (acid-test). Standard liquidity ratios used by lenders, credit analysts, and CFOs to assess short-term solvency.
Working Capital Calculator
How to use the Working Capital Calculator
Pull the latest balance sheet
Working capital lives on the balance sheet — current assets section (top) and current liabilities section. "Current" means convertible to cash, or payable, within 12 months. Public companies disclose this quarterly on the 10-Q and annually on the 10-K. Private companies pull from internal accounting (QuickBooks, Xero, NetSuite). Use end-of-period balances for a snapshot; average balances for trend analysis.
Enter current assets
Cash + equivalents: cash, money-market funds, T-bills under 90 days. Accounts receivable: invoiced but uncollected customer money (net of bad-debt allowance). Inventory: raw materials, WIP, finished goods. Other current assets: prepaid expenses, short-term investments, refundable taxes. Together these form CURRENT ASSETS.
Enter current liabilities
Accounts payable: amounts owed to suppliers, billed but unpaid. Short-term debt: revolving credit drawn, current portion of long-term debt, commercial paper. Other current liabilities: accrued expenses (wages, taxes), deferred revenue, customer deposits. Together these form CURRENT LIABILITIES.
Interpret the verdict + ratios
The tool outputs three metrics: working capital ($) the dollar buffer, current ratio the proportional buffer including inventory, and quick ratio the buffer excluding inventory (more conservative). Above 1 means current assets cover current liabilities with a buffer; below 1 means checking when receipts arrive against when payments fall due. Compare with competitors and your own past periods rather than a fixed target, and check any minimum ratio in your loan agreement.
Working capital — the bank's favourite single metric
Working capital — current assets minus current liabilities — is the simplest measure of whether a business can pay its bills over the next twelve months. Positive working capital means short-term assets exceed short-term obligations; negative means the opposite. Lenders, suppliers, credit-rating agencies, and equity analysts all start their liquidity assessment here. The current ratio (CA ÷ CL) and quick ratio (CA minus inventory ÷ CL) translate the dollar buffer into proportional buffers, making cross-company comparison possible. Lenders often write minimum ratios into loan agreements, at levels negotiated for each facility.
Current ratio vs quick ratio — when each one matters
The current ratio includes inventory; the quick ratio (acid-test) excludes it. For businesses where inventory can be quickly converted to cash (well-managed retail, fast-moving consumer goods), the current ratio is the more meaningful measure. For businesses where inventory may be stale, seasonal, or hard to liquidate (apparel with last-season styles, electronics with rapid product cycles, slow-moving B2B), the quick ratio is more telling — it answers "can you pay your bills using ONLY cash + receivables?" Best practice: track both. A growing gap between current and quick ratios usually signals inventory bloat — bullwhip effects, planning errors, or impending writedowns. Software companies and pure services have negligible inventory, so current = quick for them; manufacturing and retail can see ratios diverge by 0.5-1.0.
A current ratio says whether the bills can be paid from what is coming in. What it cannot say is when: the timing of receipts against payments decides that.
Negative working capital — sometimes a feature, not a bug
Negative working capital is not always trouble. It is a warning when it comes from suppliers squeezing terms or customers paying late. It can be a feature when the business model collects cash first: customers prepay, as with memberships or annual software contracts, or inventory sells before suppliers have to be paid. To tell which, look at the cash conversion cycle and the trend: negative working capital with a short or negative cycle is a business funded by its customers and suppliers; negative working capital with a long cycle is a business running short of cash.
How lenders and analysts read the ratios
OpenStax's Principles of Finance defines the three liquidity ratios: the current ratio (current assets ÷ current liabilities), the quick or acid-test ratio, which leaves out inventory and prepaid expenses, and the cash ratio (cash and cash equivalents ÷ current liabilities). It reads a current ratio above one as meeting short-term obligations with a buffer, and below one as a reason to look closely at what the current assets are and when the liabilities fall due. Loan agreements often set minimum ratios as covenants, but the thresholds are negotiated case by case, so read your own facility agreement rather than relying on a typical figure.
Current, quick and cash ratios, and why the timing of payments matters more
Working capital = current assets − current liabilities. The dollar buffer covering the next 12 months of obligations.
Current ratio = current assets ÷ current liabilities. Above 1 means a buffer; below 1 calls for a look at timing (OpenStax).
There is no universal target: compare with competitors and with your own history, since business models differ.
Quick ratio leaves out inventory and prepaid expenses: (cash + short-term investments + receivables) ÷ current liabilities.
Cash ratio = cash and cash equivalents ÷ current liabilities, the most conservative of the three (OpenStax).
SaaS annual prepay creates deferred revenue (current liability) while cash hits the asset side — distorts current ratio.
Loan covenants often set a minimum current or quick ratio, but the level is negotiated per loan; check your agreement.
"Current" means convertible to cash (or due) within 12 months. Anything longer is non-current and not in WC.
Current ratio rising while the quick ratio is flat means the increase is inventory; check whether it is moving.
Public companies disclose WC quarterly (10-Q). Direct competitor comparison is the most reliable benchmark.
Frequently Asked Questions
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There is no single right figure: a business paid in cash at the till runs very differently from one that sells on 90-day terms. Compare your ratio with direct competitors' published balance sheets for the same period, and with your own past quarters. OpenStax reads a ratio above one as a buffer and below one as a reason to check the timing of receipts and payments.
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Yes. CR over 3.0-4.0 usually signals one of three problems: (1) excess cash hoarding — return to shareholders or invest in growth; (2) inventory bloat — overproduction or slow-moving SKUs; (3) AR aging — customers paying slowly, possibly bad-debt risk building. Apple has run CR around 1.0-1.5 for years despite having $200B+ cash because it manages capital efficiently. Companies that emerge from large equity raises temporarily run very high CR — that's natural for that phase; expect it to normalise within 2-3 years.
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Not necessarily, but it's a warning. CR < 1 means short-term liabilities exceed current assets — you need cash flow (or refinancing) to cover the gap. If your business is profitable + cash-generative, you may be fine — you're using supplier credit and customer prepayment efficiently (negative WC model). If your business is also losing money or burning cash, the runway is short. Action items: refinance short-term debt to long-term; accelerate AR collection; factor receivables; raise equity; or sell non-core assets. Don't ignore — banks watch this monthly.
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When a SaaS customer pays $12K for an annual contract on Jan 1, cash + $12K (current asset) and deferred revenue + $12K (current liability) on the balance sheet. Revenue recognises $1K/month over 12 months. Result: current liabilities are inflated by the prepayment, which depresses the current ratio. A SaaS company with strong sales literally LOOKS more leveraged than a service business of equivalent size because of deferred revenue accounting. Adjustment: some analysts compute "adjusted current ratio" excluding deferred revenue, because it's not a real cash obligation — it's recognised revenue waiting to happen.
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Both. Monthly: operational — catch deterioration early, manage bank covenant compliance, plan cash flow. Quarterly: strategic — for board reporting, peer benchmarking, audit. Daily cash position (separate from WC): treasurers track daily for liquidity management. The trend is more important than any single snapshot — a CR sliding from 2.0 to 1.5 over six months is concerning; CR sitting at 1.5 for six months is normal.
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It is the tendency of small changes in demand at the end of a supply chain to become larger swings further back, as each stage over-orders or cuts orders to protect itself. In working capital it shows as inventory building up and then being run down. A current ratio that rises while the quick ratio stays flat is the sign to look for, because the increase is all inventory.
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Lenders often write minimum current or quick ratios, or other liquidity tests, into a loan agreement as covenants, tested at set dates, with consequences if they are breached. The levels are negotiated for each facility, so this page does not quote typical ones. Read your own agreement, and track the ratio against it before each test date.
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Usually yes — both terms mean current assets minus current liabilities. Some textbooks distinguish: "working capital" = current assets (total), "net working capital" = current assets minus current liabilities. Most practitioners use the terms interchangeably to mean the net figure. When in doubt, check the context or ask the source what's included.
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No. All calculations run in your browser via JavaScript. Open DevTools → Network and confirm zero outbound requests with your data. Cash, AR, inventory, payables — none of it leaves your device. Safe for confidential balance sheet reviews and CFO scenarios.
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Start from the filed accounts, because every aggregator is built from them. Listed companies file annual and interim reports with their regulator or exchange: SEC EDGAR in the US, and the SGX, Bursa Malaysia and IDX company announcement pages for Singapore, Malaysia and Indonesia. Pick three to five direct competitors, take current assets, inventory and current liabilities from the same reporting date, and run them through this calculator so every ratio is computed the same way.
Method & sources
How it computes
Working capital = current assets - current liabilities, with current assets = cash + receivables + inventory + other and current liabilities = payables + short-term debt + other. Current ratio = CA / CL; quick ratio = (CA - inventory) / CL; cash ratio = cash / CL. Refused when either total is zero. RecaCorpFin.workingCapital, tested.
What this tool implements
- Definitions follow OpenStax Principles of Finance 19.1 and 6.3. The verdict used to grade the current ratio as 'INSOLVENT RISK', 'HEALTHY' or 'EXCESSIVE' against a '1.5-2.5 textbook target'; it now names the band and says what the number does and does not show, because a suitable ratio depends on how fast receivables and inventory turn into cash.
- Removed as unsourced: the 'banks require a current ratio of 1.5' covenant claim (headline, pull-quote, facts and verdict), DBS/OCBC/UOB covenant levels, industry current-ratio ranges, typical covenant penalties, the bullwhip percentages, Costco's negative working capital, and the APQC, CFO.com and Deloitte benchmark claims.
Sources
- OpenStax. Principles of Finance, 19.1 What Is Working Capital? https://openstax.org/books/principles-finance/pages/19-1-what-is-…
- OpenStax. Principles of Finance, 6.3 Liquidity Ratios (current ratio, quick ratio, cash ratio). https://openstax.org/books/principles-finance/pages/6-3-liquidity…
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