Every business, government, and household runs on some mix of what it owns and what it owes. Debt ratios are the numbers that tell you whether that mix is healthy or heading for trouble.
Investors use them to judge whether a company can survive a downturn. Lenders use them to decide who gets approved. And ordinary borrowers use them, often without realizing it, every time a bank checks whether they can afford a new loan.
The problem is that “debt ratio” isn’t one number. It’s a family of them, each answering a slightly different question. This guide walks through the ones that actually matter, gives you the formula and a worked example for each, and shows you how to interpret the result instead of just calculating it.
💡 Highlights
- A debt ratio is any number that compares what you owe against your resources, whether that is your assets, equity, income, or earnings.
- The debt-to-equity ratio compares borrowed money against the owners’ money, showing how much of a business is funded by lenders versus its owners.
- The debt-to-asset ratio widens the lens, showing what share of everything a company owns is financed by debt.
- The debt service coverage ratio (DSCR) is what lenders care about most, since it shows whether income can actually cover the loan payments.
- For individuals, the debt-to-income ratio (DTI) is the number to watch, and lenders generally prefer it below 36 percent.
- A high ratio is not automatically bad. What counts as healthy depends heavily on the industry and how stable the income is.
- Once your DTI creeps past around 40 percent, borrowing gets harder and a manageable debt load can quietly turn into a debt trap.
What Is a Debt Ratio?
The core idea is simple. Debt is a tool, not a disease. Used carefully, borrowing lets a company grow faster than it could on its own cash, and lets a family buy a home decades before they could save the full price.
The danger is degree. Past a certain point, debt stops amplifying opportunity and starts amplifying risk, so a bad quarter or a rate hike turns from an inconvenience into a threat. Debt ratios exist to locate that line.
A debt ratio is any metric that compares how much an entity owes against some measure of its resources: its assets, its equity, its income, or its earnings. Collectively, analysts sometimes call these debt management ratios or leverage ratios, because they measure how much an organization relies on borrowed money to operate.
The rest of this article covers the ratios one by one, starting with the two most commonly searched: the debt-to-equity ratio and the debt (debt-to-asset) ratio.
Debt-to-Equity Ratio (D/E)
The debt-to-equity ratio is the single most-cited leverage metric in finance. It compares what a company has borrowed against what its owners have put in, telling you how much of the business is funded by creditors versus shareholders.
The formula:
Debt-to-Equity Ratio = Total Debt ÷ Total Shareholders’ Equity
One thing to watch: some analysts use total liabilities in the numerator (including things like accounts payable), while others use only interest-bearing debt (loans and bonds). Both are valid. Just be consistent, and know which version you’re comparing against when you benchmark.
A worked example. Suppose a company has ₱4,000,000 in total debt and ₱5,000,000 in shareholders’ equity:
₱4,000,000 ÷ ₱5,000,000 = 0.8
A D/E of 0.8 means the company has 80 centavos of debt for every peso of equity.
How to interpret it. As a rough guide, a D/E below 1.0 is generally considered conservative, because the owners have more skin in the game than the lenders. A ratio climbing well above 2.0 signals heavy reliance on borrowing and higher financial risk.
But “good” is entirely industry-dependent, and this is where most people go wrong. Capital-intensive sectors like utilities, telecoms, and banks routinely operate with high D/E ratios because their revenues are stable and predictable, so they can safely carry more debt.
A software company with the same ratio would look alarming. So the real question isn’t “is this ratio high?” but “is this ratio high for this industry?” A high debt-to-equity ratio isn’t automatically bad. It’s a flag to investigate whether the company’s cash flows can comfortably service that debt.
Debt Ratio (Debt-to-Asset Ratio)
The debt ratio, also called the debt-to-asset ratio or debt-to-total-assets ratio, widens the lens. Instead of comparing debt to equity, it compares debt to everything the company owns.
The formula:
Debt Ratio = Total Debt ÷ Total Assets
A worked example. A company with ₱6,000,000 in total debt and ₱10,000,000 in total assets:
₱6,000,000 ÷ ₱10,000,000 = 0.6, or 60%
This tells you 60% of the company’s assets are financed by debt. The remaining 40% is financed by equity.
How to interpret it. The debt ratio always sits between 0 and 1 (or 0% to 100%). A result below 0.5 means most assets are funded by equity, generally the more conservative position. Above 0.5 means creditors have financed the majority of the company’s assets, which increases risk but can also boost returns when times are good. A “good” debt ratio, like D/E, depends heavily on the industry and the stability of the company’s earnings.
Because the debt ratio and D/E measure related things from different angles, analysts usually read them together. The debt ratio shows how much of the asset base is leveraged. The D/E shows the balance of power between lenders and owners.
Debt-to-Capital Ratio
A close cousin of the two above, the debt-to-capital ratio measures debt as a share of the company’s total capital structure, meaning debt plus equity combined.
Debt-to-Capital Ratio = Total Debt ÷ (Total Debt + Total Equity)
If a firm has ₱4,000,000 in debt and ₱6,000,000 in equity, its debt-to-capital ratio is ₱4,000,000 ÷ ₱10,000,000 = 0.4, meaning 40% of its funding comes from debt. Some analysts prefer this metric over D/E because it’s bounded between 0 and 1, which makes it easier to compare across companies.
Debt Service Coverage Ratio (DSCR)
The ratios so far are balance-sheet ratios, meaning snapshots of what a company owns and owes. The debt service coverage ratio is different. It’s a cash-flow ratio, and it answers the question lenders care about most. Not “how much debt is there?” but “can the borrower actually make the payments?”
The formula:
DSCR = Net Operating Income ÷ Total Debt Service
Total debt service means all principal and interest payments due in a period.
A worked example. A property generates ₱1,500,000 in net operating income per year and owes ₱1,000,000 in annual loan payments:
₱1,500,000 ÷ ₱1,000,000 = 1.5
How to interpret it. A DSCR of exactly 1.0 means income only just covers the debt payments, with no cushion at all. A DSCR of 1.5 means the borrower earns 50% more than needed to service the debt, which lenders view favorably.
Anything below 1.0 means the entity isn’t generating enough income to cover its obligations and is relying on reserves or new borrowing to stay afloat. Most commercial lenders look for a DSCR of at least 1.2 to 1.25 before approving a loan.
A related metric, the current cash debt coverage ratio, compares cash generated from operations against current liabilities, giving a shorter-term view of the same underlying question: is the cash actually there to cover what’s due soon?
Debt-to-EBITDA Ratio
Widely used in corporate credit analysis, the debt-to-EBITDA ratio measures how many years of earnings (before interest, taxes, depreciation, and amortization) it would take to pay off all debt.
Debt-to-EBITDA = Total Debt ÷ EBITDA
A company with ₱10,000,000 in debt and ₱5,000,000 in EBITDA has a ratio of 2.0, meaning roughly two years of earnings to clear its debt. Lenders and rating agencies often treat a ratio above 4 or 5 as a sign of elevated risk, though acceptable levels vary by industry.
Debt-to-Income Ratio (DTI)
Everything above applies to companies. The debt-to-income ratio brings the same logic home, literally. It’s the metric mortgage lenders and banks use to decide whether you can afford to borrow.
The formula:
DTI = Total Monthly Debt Payments ÷ Gross Monthly Income
A worked example. If your monthly debt payments (loans, credit cards, car financing) total ₱20,000 and your gross monthly income is ₱50,000:
₱20,000 ÷ ₱50,000 = 0.4, or 40%
How to interpret it. Lenders generally like to see a DTI below 36%, with as little as possible going to debt other than housing. Once DTI climbs past roughly 43%, many lenders become reluctant to extend new credit, because the borrower’s income is already heavily committed. A closely related concept, the debt burden ratio, is used by banks in some markets to cap how much of a person’s income can be tied up in debt repayments, often around 50%.
If you want to check your own number, the math is quick. Add up every monthly debt payment, divide by your gross (pre-tax) monthly income, and multiply by 100. A high result doesn’t just affect loan approvals. It’s often the earliest signal that a household’s finances are stretched thin and heading toward a debt cycle.
Debt-to-GDP Ratio
At the largest scale, the debt-to-GDP ratio measures a country’s total government debt against the size of its economy. It’s the national equivalent of a debt-to-income ratio, a rough gauge of whether a government’s borrowing is proportionate to its capacity to generate output and, ultimately, tax revenue.
Debt-to-GDP Ratio = Total Government Debt ÷ Gross Domestic Product
To put real numbers on it: the IMF estimates the global average government debt-to-GDP ratio at around 94.7% in 2025. At the extremes, Japan holds one of the highest ratios in the world at roughly 230%, reflecting decades of fiscal stimulus and an aging population, while the United States sits around 125%.
A higher debt-to-GDP ratio doesn’t automatically mean crisis. Japan sustains its level thanks to domestic ownership of its bonds and very low borrowing costs. But rising ratios generally mean investors watch a country’s fiscal health more closely, which can push up its borrowing costs over time.
Debt vs Equity: Two Ways to Fund
Underneath every ratio on this page is one fundamental choice: debt versus equity. These are the two ways any organization raises money, and understanding the trade-off makes all the ratios above click into place.
Debt means borrowing. Loans and bonds (debt securities) that must be repaid with interest, on a schedule, whether or not the venture succeeds. The upside is that lenders don’t get ownership or a say in the business, and interest is often tax-deductible. The downside is that those fixed payments are unforgiving in a downturn.
Equity means selling ownership. Shares (equity securities) in exchange for capital. The upside is that there’s no repayment obligation and no interest, so no pressure in lean years. The downside is that you give up a slice of ownership, future profits, and often control.
Every leverage ratio in this guide is ultimately measuring where a company has landed on this spectrum, and whether that position is sustainable given how predictable its income is.
Which Ratio Should You Actually Use?
The right ratio depends on the question you’re asking. If you’re an investor sizing up a company’s risk, start with debt-to-equity and the debt-to-asset ratio, then check debt-to-EBITDA and DSCR to see whether its cash flow can actually support that debt. If you’re a lender, DSCR and DTI tell you whether the borrower can make the payments. If you’re an individual managing your own finances, your debt-to-income ratio is the number to watch.
And that last point matters more than most people realize. The same logic that tells an analyst a company is over-leveraged applies to a household. When your debt-to-income ratio creeps toward and past the 40% mark, new credit gets harder to obtain, existing payments consume more of every paycheck, and the margin for an unexpected expense disappears. That’s usually the moment a manageable debt load quietly turns into a debt trap.
If you find yourself there, the solution isn’t always to borrow less next time. It’s often to restructure what you already owe. Consolidating multiple high-interest debts into a single, more manageable arrangement can bring a stretched debt-to-income ratio back under control.
This is exactly the kind of situation where working with a debt resolution facilitator like FLIN can help. Rather than lending you more, FLIN helps negotiate and restructure existing obligations so your numbers, and your finances, become sustainable again. Click button below for free consultation.
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