Liquidity ratios: types, formulas and how to use them

Published Wednesday 18 February 2026

Table of contents

• What is liquidity?
• What are liquidity ratios?
• Why liquidity ratios matter
• Current ratio
• Quick ratio
• Cash ratio
• Another metric for liquidity: Days sales outstanding
• Using liquidity ratios
• How to improve liquidity
• Understanding your business liquidity
• FAQs on liquidity ratios

Key takeaways

• Calculate your current ratio, quick ratio, and cash ratio monthly to track your business's ability to cover short-term expenses, with ideal targets of 1.5-2.0 for current ratio, 1.0+ for quick ratio, and 0.5+ for cash ratio.
• Use the current ratio to assess your 12-month financial health, the quick ratio to evaluate your 3-month cash position without relying on inventory sales, and the cash ratio to determine if you can pay immediate bills with cash alone.
• Improve low liquidity ratios by speeding up invoicing and collections, negotiating better payment terms with suppliers, reducing unnecessary expenses, and managing inventory levels efficiently to free up tied-up cash.
• Recognize that very high liquidity ratios above 3.0 may indicate you're holding too much cash that could be reinvested in business growth, equipment, or debt reduction instead of sitting idle.

What is liquidity?

Liquidity is how much cash (or assets you can quickly convert to cash) your business has on hand to pay your bills.

Cash flow issues are one of the biggest reasons new businesses shut their doors. A U.S. Bank study found that 82% of U.S. business failures are linked to cash flow problems. But it isn't always easy to tell if you have enough cash on hand. Liquidity ratios help you gauge your short-term financial health over the next 12 months or less.

Once you understand your liquidity, you can make informed decisions about business operations, expenses and investments. Without this understanding, you may spend too much, grow too fast, or underuse your resources.

What are liquidity ratios?

Liquidity ratios measure the gap between your cash and your bills. There are three widely used liquidity ratios in accounting:

1. Current ratio (working capital ratio)
2. Quick ratio (acid test ratio)
3. Cash ratio

Here's what each ratio means and how to use it. When using accounting software like Xero, you can check your quick ratio at any time.

Why liquidity ratios matter

These ratios show whether your business can survive unexpected expenses or slow sales periods. Without enough cash to cover short-term obligations, even profitable businesses can fail.

These ratios help you:

• Prepare for loan applications: Lenders use liquidity ratios to assess whether you can repay debt, which is especially critical as commercial loan approval rates at big banks have fallen to just 13.2% in recent years.
• Make confident growth decisions: Know if you have enough cash cushion before hiring or expanding.
• Spot problems early: Declining ratios signal cash flow issues before they become critical.
• Communicate with advisors: Speak the same language as your accountant or financial advisor.

Understanding your liquidity ratios gives you control over your business's financial health instead of reacting to cash crunches.

Current ratio

This ratio measures whether you have enough working capital to cover your business's expenses over the next 12 months. Calculate it by dividing your current assets by your current liabilities.

This ratio includes all your short-term assets, including inventory, giving you a broad view of your ability to pay bills.

How to calculate current ratio

Current ratio liquidity formula

You can find the numbers for this calculation on your balance sheet. Look for your total current assets near the top and total current liabilities near the middle. You can use our free balance sheet template.

Current assets in this ratio include inventory, valued at what you paid for it (not your selling price). If your inventory is worth less than you paid, such as out-of-season stock, adjust its value on the balance sheet for a more accurate ratio.

Current liabilities include all bills due within 12 months. How you do your bookkeeping affects what appears here. If you don't record monthly bills until they clear your bank account, they won't show on your balance sheet. An accountant or your bookkeeping software's support team can help you set up your books correctly.

Current ratio example

Say you have:

• $25,000 in inventory
• $30,000 in your bank account
• $10,000 in accounts receivable
• $5,000 in prepaid expenses
• $2,000 in short-term investments

Total current assets: $72,000. Your balance sheet groups these together, so you can find this total labelled "current assets."

Now find your current liabilities, which include accounts payable, payroll, sales tax, income tax payable, and short-term loans.

• If your current liabilities are $100,000: $72,000 ÷ $100,000 = 0.72 ratio.
• If your current liabilities are $72,000: $72,000 ÷ $72,000 = 1.0 ratio.

The lower your liabilities relative to your assets, the higher your ratio and the more comfortably you can cover costs.

What's a good current ratio?

A good current ratio is between 1.5 and 2.0. This means you have $1.50 to $2.00 in current assets for every $1.00 of current liabilities.

If your ratio is too low, your expenses may be too high or you don't have enough cash on hand. For example, a ratio of less than 1 suggests you have more short-term obligations than liquid assets, which can hint at financial strain. A slow sales month could leave you struggling to pay bills.

When to use the current ratio

You can use the current ratio to make decisions about your expenses and cash on hand. For instance, if you have a low working capital ratio, you may need to cut expenses. A low ratio also indicates that if you're buying equipment, you probably shouldn't use your cash on hand. Consider a loan to spread the cost over time instead.

On the other hand, if your ratio is 3.0 or higher, you may be missing out on opportunities: you probably have cash, investments, or inventory lying around that should be reinvested into growing the company.

This ratio isn't the only number you need to consider. Don't rely on this ratio to assess your ability to cover your short-term bills if you run a seasonal business. This ratio only looks at your current assets and liabilities; it doesn't take into account the long-term profitability of your business, the types of loans you have, or other factors that contribute to your business.

Strengths of the current ratio:

• Requires just two numbers from your balance sheet
• Reveals cash flow issues quickly
• Shows your ability to cover short-term expenses
• Signals when you may need financing
• Indicates when you have room to expand or invest

Limitations of the current ratio:

• Changes dramatically when either number shifts
• Hides seasonal cash flow patterns
• Covers only 12 months of financial health
• Excludes long-term profitability insights
• Ignores loan structure and debt details

Quick ratio

This ratio measures your ability to cover expenses over the next three months without selling inventory or taking out loans. It answers an important question: do you have enough cash and near-cash assets to pay your payroll, bills, and loan payments right now?

This ratio is also called the acid test ratio because it provides a quick, clear test of your short-term financial health.

How to calculate quick ratio

Quick ratio liquidity formula Version 1

Quick ratio liquidity formula Version 2

There are two ways to calculate the quick ratio:

1. Add liquid assets: Cash + securities + accounts receivable, then divide by current liabilities.
2. Subtract from current assets: Current assets minus inventory minus prepaid expenses, then divide by current liabilities.

Both methods give you the same result. Use whichever approach matches how your balance sheet is organized.

Quick ratio example

If you've got $30,000 in the bank, $15,000 in securities, and $60,000 in costs over the next three months, your quick liquidity ratio is 0.75. That's $30,000 plus $15,000, divided by $60,000.

Your balance sheet should have all the numbers you need to calculate this ratio.

What's a good quick ratio?

A good quick ratio is 1.0 or higher. According to Harvard Business School Online, any liquidity ratio above 1 is usually considered healthy. A ratio of 1.0 means you have $1.00 to cover every $1.00 of short-term expenses, and a ratio of 1.5 means you have $1.50 for every $1.00 in upcoming bills.

A low quick ratio signals potential trouble. A ratio of 0.3 means you have only 30 cents for every $1.00 of bills due in the next three months.

When to use the quick ratio

Use the quick ratio to:

• Compare your business to others in your industry
• Track your liquidity over different time periods
• Evaluate companies you're considering investing in
• Guide decisions about taking on new expenses

The quick ratio doesn't measure long-term health. You might have strong liquidity after a great product launch, but if that product doesn't have staying power, your cash flow won't last. This ratio shows your position today, not your sustainability tomorrow.

The quick ratio:

• is easy to calculate
• gives you a good idea of whether you can cover your expenses over the short term
• helps you compare differences in cash flow between periods, so you can plan ahead for shortages
• lets you see liquidity to determine if you can afford more expenses or investments

Limitations of the quick ratio:

• The quick ratio doesn't take operating income into account
• It only considers a short-term (three-month) period
• It's tricky to estimate the value of marketable securities, especially volatile stocks that change value quickly
• The quick ratio may be inaccurate if you overstate the value of your accounts receivables: be realistic about the percentage of these bills that won't get paid

Cash ratio

This is the most conservative liquidity measure. It shows whether you can cover your payroll, expenses, and loan payments using only the cash you have right now.

Calculate it by dividing your cash and cash equivalents by your short-term liabilities. This ratio includes the fewest assets and is the fastest to calculate.

How to calculate cash ratio

Cash ratio liquidity formula

The cash ratio calculation includes only:

• Cash in your bank accounts
• Securities you can convert to cash quickly (cash equivalents)

It excludes:

• Inventory (which takes time to sell)
• Accounts receivable (money customers owe you)
• Expected future revenue

This strict approach shows your ability to pay bills immediately, without relying on sales or collections.

Cash ratio example

Imagine you have $50,000 in cash and $50,000 in stocks. Add them together to get $100,000. Now find the "short-term liabilities" line on your balance sheet. This includes all of your upcoming expenses, like your loan payments, monthly bills, taxes due, and payroll.

• If this number is $250,000, your ratio is: $100,000/$250,000 = 0.4
• If your short-term liabilities are $25,000, your ratio is: $100,000/$25,000 = 4.0

What's a good cash ratio?

A good cash ratio is typically 0.5 or higher, meaning you have 50 cents in cash for every $1.00 of short-term liabilities. A ratio of 1.0 or above indicates you can cover all immediate obligations with cash alone.

A low cash ratio suggests you may have trouble covering bills. Consider getting clients to pay your invoices faster or building up cash reserves.

When to use the cash ratio

The cash ratio doesn't reflect every situation your business is facing. If you've just invested lots of cash into a new product line, your cash ratio may be low, but that doesn't necessarily mean your business will suffer. It simply means you've decided to reduce your cash on hand to earn more revenue with your new product.

When you're making decisions about expenses, liquidity ratios can help you judge when you're going too low with your cash on hand.

The cash ratio:

• is easy to calculate
• provides quick insights on a business's cash utilization rates
• shows a realistic ability to cover short-term expenses because it only takes into account cash and cash equivalents, not inventory or other assets

Limitations of the cash ratio:

• The cash ratio doesn't include any operating income
• It doesn't take into account how long-term credit with suppliers or accounts receivables cycles affect cash on hand
• It doesn't take into account long-term expenses or challenges

Another metric for liquidity: Days sales outstanding

Beyond the three main liquidity ratios, days sales outstanding can provide additional insight into your cash flow timing.

Days sales outstanding (DSO) is the average number of days it takes you to get paid after a sale. Calculate it by dividing your average accounts receivables by your revenue per day, then multiplying by 365.

The days sales outstanding formula

A good DSO depends on your industry, but generally lower is better. If your DSO exceeds your payment terms (for example, 45 days when you offer 30-day terms), your customers are paying late and tying up your cash. This is a common issue, with the average payment delay in the U.S. B2B market being 28 days.

Using liquidity ratios

Calculate your liquidity ratios once a month, ideally at the same time each month. Ratios can shift depending on where you are in your billing cycle, so consistency matters.

Focus on the trend over time, not just a single snapshot. A declining ratio over several months signals a problem, even if the current number looks acceptable.

Each ratio has limitations. Liquidity ratios work best when analyzed alongside other financial metrics like solvency and efficiency ratios. Working with a financial advisor helps you interpret the full picture.

How to improve liquidity

If your liquidity ratios are concerning, take these steps to improve them:

• Speed up invoicing: Use accounting software like Xero to send invoices faster and receive payments more efficiently.
• Strengthen accounts receivable: Offer early payment discounts and send automated reminders so payments don't slip through the cracks. Learn more about the accounts receivable process.
• Optimize accounts payable: Negotiate favourable payment terms with suppliers, pay on time to avoid late fees, and cut non-essential spending.
• Reduce operating costs: Lease equipment instead of buying to preserve cash, and sell unproductive assets to improve reserves.
• Manage inventory efficiently: Keep stock levels at industry standards and use just-in-time ordering so cash isn't tied up in excess inventory. See our guide to inventory.
• Increase sales strategically: Expand your customer base or introduce new products without increasing operating costs. Read our guide on how to increase sales.
• Consider refinancing: Consolidate expensive short-term debt into lower-interest loans, or secure additional financing during growth phases. This is especially relevant given that nearly a third of small businesses recently identified financing as their most critical problem.

Your accountant can help you make these decisions. Find experienced accountants and bookkeepers in the Xero advisor directory.

Understanding your business liquidity

Liquidity ratios give you a clear picture of your business's short-term financial health. Used together, the current ratio, quick ratio, and cash ratio show whether you can cover expenses, handle unexpected costs, and make confident growth decisions.

Check these ratios monthly and watch for trends. A single low number isn't necessarily a problem, but a declining pattern over several months signals it's time to act.

Xero's accounting software calculates your quick ratio automatically and displays it on your dashboard. You can see your liquidity position at any time, from anywhere. Get one month free and see how simple tracking your financial health can be.

FAQs on liquidity ratios

Here are answers to common questions small business owners ask about liquidity ratios.

What's the difference between current ratio, quick ratio, and cash ratio?

The current ratio includes all current assets, including inventory. The quick ratio excludes inventory. The cash ratio includes only cash and cash equivalents. Each ratio gets progressively more conservative in measuring your ability to pay short-term bills.

Can my liquidity ratio be too high?

Yes. A very high liquidity ratio (above 3.0) may indicate you're holding too much cash that could be reinvested in growing your business. Excess liquidity means missed opportunities for expansion, equipment upgrades, or paying down debt.

What does a liquidity ratio of 2.5 mean?

A ratio of 2.5 means you have $2.50 in assets for every $1.00 of short-term liabilities. This indicates a healthy liquidity position where you can comfortably cover your upcoming bills with room to spare.

How often should I calculate my liquidity ratios?

Calculate your liquidity ratios monthly, at the same point in your billing cycle each time. This consistency helps you spot trends and catch potential cash flow problems early.

Do I need accounting software to track liquidity ratios?

You don't need software, but it makes tracking much easier. Accounting software like Xero calculates your quick ratio automatically and updates it in real time as transactions flow through your accounts.