- The liquidity ratio measures the ability to pay short-term debts with current assets.
- It combines several indicators: current, acid test and defensive for a complete view.
- Its value depends on the sector; management of collections, payments and inventories is crucial.
- Improving liquidity requires optimizing working capital and aligning financing and strategy.
In the day-to-day operations of any business, from a micro-enterprise to a medium-sized company, the word liquidity comes up very frequently, but it's not always understood the same way. Simply put, it refers to the actual ability to meet immediate payments with assets that can be converted into cash without much hassle or delay.
It's worth starting by clarifying a common misconception: liquidity is not the same as cash . Cash is the most liquid asset, yes, but the concept goes beyond that and includes other current assets that can be quickly converted into cash to settle short-term obligations.
What is the liquidity ratio and what is not
This metric is not intended to maximize profitability per se, but rather to provide an indication of operational solvency. In financial statements, it is one of the most frequently consulted liquidity indicators , along with other ratios that scrutinize what portion of current assets is truly usable without lengthy delays.
At a contextual level, various market analyses have shown that liquidity is a major concern for Spanish companies. In turbulent periods —such as those experienced as a result of the pandemic—cash flow pressure increases, and companies become more sensitive to fluctuations in receipts and payments.
Fixed assets vs. current assets: why balance matters
Within equity, it's important to distinguish between fixed (or non-current) assets and current (or circulating) assets. The former support productive capacity and help generate revenue and profit margin in the medium and long term; the latter are the fuel for day-to-day operations: they allow companies to pay salaries, suppliers, and debts that are due soon.
A company with excessive fixed assets and insufficient working capital can perform well financially and still struggle to pay its bills, while another with ample cash and little investment may be underutilizing resources that should be generating revenue. The break-even point is key and is tailored to the specific industry.
When the external environment becomes challenging (adverse economic cycles, volatile costs, lower sales, or customer delays), a strong cash reserve makes all the difference. Studies with large samples of Spanish companies have indicated that a significant portion of the business sector does not fully cover its short-term liabilities with current assets, hence the importance of monitoring this indicator.
Types of liquidity ratios and their essential formulas
There are several ways to approach liquidity, from the most general to the most stringent. In practice, these are often combined to provide a more comprehensive view of short-term risk.
Current ratio (or general liquidity) . This is the most well-known measure: it compares all current assets to all current liabilities. The usual formula is: Current Assets / Current Liabilities. Some companies express it as a percentage by multiplying by 100, but it is more common to read it as a number of times.
Acid-test ratio (or quick ratio) . This goes a step further and excludes inventory from current assets, since stock doesn't always convert to cash quickly. Formula: (Current Assets – Inventory) / Current Liabilities. This assesses the ability to pay debts without relying on stock levels.
Immediate liquidity, cash reserves, or defensive ratio . This is the most conservative view: it only considers cash, bank balances, and cash equivalents against current liabilities. The formula can be expressed in two common ways: (Cash and cash equivalents) / Current liabilities, or the same ratio multiplied by 100 to express it as a percentage. This ratio measures the ability to meet urgent payments without selling anything or waiting for collections.
How to calculate the liquidity ratio step by step
The calculation is simple if your financial statements are up to date. Take the current assets (cash, accounts receivable, inventory, and other assets due within one year) from the balance sheet and divide by the liabilities due within 12 months. For the quick ratio, subtract inventory first. For the defensive ratio, only consider cash, bank balances, and cash equivalents.
A helpful point to note: some businesses express these ratios in terms of "times" and others as a percentage. Both are correct , as long as the format is specified and the comparison is consistent with previous periods or the industry.
Interpretation: what does it mean to have 1, 1,5 or 0,8
As a general guideline, a current ratio greater than 1 suggests that the company can cover its immediate debts with its current assets. If the ratio gets too close to 1, any setbacks in collections or inventory could strain cash flow.
Below 1, the message is concerning: short-term liabilities exceed liquid assets, which is associated with a risk of default or a need for financing . However, note that there may be sectors with high cash turnover—such as a supermarket that operates on a cash basis—where a low ratio is not alarming if cash is flowing in daily.
At the opposite extreme, a ratio clearly above 2 or even 3 may indicate idle resources. Having excess cash or highly liquid assets without a productive purpose incurs an opportunity cost , as that money could be invested in growth, process improvements, or debt reduction.
Practical example with simple figures
Imagine that the company TecnoHorizonte presents the following at the end of the quarter: cash €10.000, accounts receivable €20.000, and inventory €30.000. In total, current assets of €60.000 . On the liabilities side, there are accounts payable of €25.000 and short-term debts of €15.000, that is, €40.000 of current liabilities.
With this data, the current ratio would be 60.000 / 40.000 = 1,5 times . The quick ratio would be (60.000 – 30.000) / 40.000 = 0,75 times. And the defensive ratio (10.000) / 40.000 = 0,25 times (or 25% if expressed as a percentage). The combined reading tells us that, although the total coverage is comfortable, without selling inventory the company would not be able to meet all of its immediate liabilities.
Factors that influence the liquidity ratio
The ratio doesn't change by magic: it reflects daily operations. The sales cycle is key: if many days pass between production and payment, liquidity suffers; if the cycle is short, cash flows more smoothly.
Inventory management is also crucial: stock accumulation ties up capital and adds costs, while a fast turnover frees up cash. The goal isn't to eliminate stock, but to adjust levels and prevent obsolescence.
Operating expenses also have an impact: increases in production, logistics, or structural costs reduce available funds. Control and efficiency are essential to avoid eroding liquidity that would otherwise be lost through small leaks.
In industries with long production cycles , such as certain manufacturing sectors, it's common to need financing before selling. Here, financial planning and access to short-term credit make all the difference in preventing the ratio from deteriorating.
Benchmarking: reference ranges by type
Comparing with your peers always helps. In startup and innovative SME environments, a current ratio of 1,5 to 2 times is generally considered healthy . The acid-test ratio often ranges between 0,8 and 1,2. These aren't universal rules: each sector, country, and business model has its own specific situation.
Benchmarking only makes sense when contextualized: collection cycles, inventory turnover, seasonality, and margins vary significantly between businesses. Rather than chasing a magic number, it's more important to understand why you're where you are and what the leading companies in your niche do best.
From ratio to cash: turnover of collections, payments and inventories
To complete the picture, many management finance departments look at cash conversion days. Three simple calculations allow you to measure the financial gap: days collection, days inventory, and days payable.
A common way to estimate these is: Days Sales Outstanding (DSO) = 365 / (Sales / Accounts Receivable); Days Inventory Outstanding (DIO) = 365 / (Cost of Goods Sold / Average Inventory); Days Payable Outstanding (DPO) = 365 / (Purchases / Trade Payables). The cash gap would be: Days Sales Outstanding + Days Inventory Outstanding – Days Payable Outstanding.
If this gap is positive and large, the company is financing part of the cycle with its own cash (or debt). If it's small or even negative (you collect before you pay and turn over inventory quickly), liquidity pressure decreases and the ratio usually improves. Measuring this ratio these days helps prioritize actions.
Strategies to improve liquidity without losing focus
There's a range of tactics that, combined with follow-up, tend to work. From least to most demanding, consider: optimizing working capital and cash flow management (inventory, collections, payments), controlling expenses, and renegotiating terms with customers and suppliers.
You can also diversify short-term financing sources ( credit lines , confirming, factoring or promissory note discounting), strengthen credit and collection policies, and sell non-core assets that do not contribute to the strategy.
Financial innovation helps: at certain times, non-recourse factoring, crowdfunding, or well-chosen treasury instruments can alleviate temporary pressures. Always keep realistic cash flow projections in mind, so as not to replace one problem with another.
Finally, align financial planning with strategy: set liquidity targets, define rules for investing surplus funds, and prevent idle cash from becoming the norm. Balancing immediate solvency with profitability is an art learned through practice.
Clear risks of operating with low liquidity
A short cash ratio carries well-known dangers. The first is obvious: difficulty paying salaries, suppliers, or fees, with the risk of default or litigation. Added to this is the loss of opportunities: being unable to invest in a product, a campaign, or a market due to a lack of cash is costly in the long run.
Reputation also suffers. An image of financial fragility puts off investors, creditors, and partners. Furthermore, dependence on short-term external financing can trigger excessive financial expenses and lead to a downward spiral that is difficult to reverse.
If the situation continues, the risk of insolvency increases , team morale deteriorates, and opportunities for promising partnerships are lost . All of this explains why liquidity is treated as a critical day-to-day variable, not as a minor accounting issue.
Liquidity and profitability: complementary concepts
It's not advisable to conflate liquidity ratios with profitability ratios. The former measure short-term solvency; the latter assess the ability to generate profits . Among the best-known are: net profit margin (Net Profit / Sales), gross profit margin (Sales – Cost of Sales) / Sales, and return on assets or equity.
These metrics help investors, creditors, and managers put economic performance into context. Both sets of ratios are necessary: liquidity without profitability is unsustainable, and profitability without liquidity can remain just that—profitability—if the company doesn't survive the short term.
Working capital or net working capital: the operating base
Working capital (or net working capital) is the difference between current assets and current liabilities . It can also be viewed as the basic financing ratio minus non-current assets. It is a monetary value, not an index, and indicates the available funds for operations after covering immediate obligations.
Depending on the type of business, it can even be negative without being a problem (for example, companies with very high inventory turnover and very fast collections versus deferred payments). In others, a positive gap is essential for operation.
Remember the basic accounting identities: Assets = Liabilities + Equity; by breaking them down into current and non-current assets, you'll see how working capital fits into the structure. Managing it well is the practical way to maintain reasonable liquidity ratios over time.
Liquidity in decision-making and third-party analysis
Beyond internal diagnostics, liquidity ratios are a useful tool for analyzing key customers and suppliers . If you work with large accounts, understanding their cash flow gaps and the liquidity reflected in their financial statements reduces operational risk.
In significant contracts, it's not uncommon to require certain financial information and agree on alert mechanisms. Understanding the collection, inventory, and payment cycles of the environment allows you to plan your own cash flows more accurately and avoid surprises.
In the entrepreneurial ecosystem, investors and partners closely examine these metrics. A favorable ratio conveys order in working capital management and a lower probability of default, two indicators that improve access to financing and commercial agreements.
Key nuances that often go unnoticed
A high level of liquidity isn't always good news. Sometimes it indicates excess idle cash or accounts receivable that are taking longer than expected. And a low level doesn't automatically equate to chaos if the business model generates daily cash flow.
Therefore, the analysis should not stop at the numbers: it is advisable to review the quality of current assets (for example, customer due dates or risk of inventory obsolescence), the concentration of collections and the dependence on short-term financing.
One final point: in turbulent times, many companies prioritize cash flow over growth, and that's understandable. Even so, maintaining a balanced plan —sufficient leeway to weather shocks and sensible investment of surpluses—usually offers the greatest resilience.
Liquidity is a company's safety net. Understanding what each ratio measures, how it's calculated, what drives it, and what specific actions improve it will help you make more informed decisions, compare your performance with your industry, and prevent a short-term setback from jeopardizing a solid project.
