The debt-to-equity ratio (D/E) measures how much of a company is funded by debt versus money put in by owners, calculated as total liabilities divided by shareholders' equity. A D/E of 1.0 means a business owes one dollar of debt for every dollar of equity. The higher the number, the more the business leans on borrowed money to operate and grow.
It is one of the first numbers a lender, investor or supplier checks, because it shows at a glance how much financial risk the business is carrying. Too much debt and a downturn can sink the company; too little and it may be leaving cheap growth on the table.
Debt divided by equity.D/E = total liabilities / shareholders' equity. A ratio of 1.0 means equal parts borrowed and owned.
Higher means more risk.A high D/E magnifies both returns and the danger of not being able to repay.
Judge it by industry.A good ratio for a utility is high; for a software firm it is low. Always compare like with like.
The formula is total liabilities divided by total shareholders' equity, both taken from the balance sheet. Total liabilities sit on the right-hand side of the balance sheet and include everything the business owes: loans, bonds, lease obligations, accounts payable, accrued expenses and tax due. Shareholders' equity is what is left for the owners after those liabilities are subtracted from total assets, so it captures share capital plus retained earnings. Some analysts narrow the top line to only interest-bearing debt (loans and bonds) and drop trade payables, which produces a lower, more focused ratio. Neither version is wrong, but they are not comparable, so always check which one you are reading before drawing a conclusion. Enter your figures below to see the ratio.
The same balance-sheet thinking drives other leverage measures. The short-term debt ratio zooms in on debt due within a year, and the debt service coverage ratio checks whether earnings can actually cover the repayments.
Worked through with the default figures: a business with 400,000 in total liabilities and 500,000 in equity has a debt-to-equity ratio of 0.80. That tells you the owners have more skin in the game than the lenders do, and that the business has headroom to borrow if it wants to. Flip the figures to 500,000 in liabilities and 400,000 in equity and the ratio jumps to 1.25, meaning debt now outweighs equity. The arithmetic is simple; the judgement is in deciding whether that level is sensible for the business in front of you.
As a rough rule, a debt-to-equity ratio between 1.0 and 1.5 is considered healthy for most businesses, under 1.0 is conservative, and above 2.0 starts to look risky. But the only number that matters is the one compared to your own industry.
| Ratio band | How it reads | Typical sectors |
|---|---|---|
| Under 1.0 | Conservative: funded mostly by equity, little reliance on debt. | Software, consulting, agencies. |
| 1.0 to 1.5 | Healthy for most businesses: a balanced mix of debt and equity. | General trading and service firms. |
| Above 2.0 | Risky for most, but normal where cash flows are stable. | Utilities, banking, manufacturing. |
A ratio that is alarming for an agency is unremarkable for a power company. Capital-heavy sectors run high ratios because their cash flows are stable and predictable, which makes large, steady debt loads manageable. Asset-light businesses sit well below 1.0, since they have little to borrow against and earnings can swing sharply from year to year. The trend matters as much as the level: a ratio that climbs quarter after quarter is a warning even if the absolute figure still looks fine, because it shows the business is leaning harder on borrowed money over time.
Debt is a multiplier: it amplifies returns when times are good and losses when they are not. Borrowing lets a business invest more than its owners could fund alone, so in a strong year the extra profit flows to a smaller equity base and returns look great. In a weak year the interest still has to be paid out of shrinking revenue, and a highly leveraged business can run out of room fast. This is why lenders watch the ratio so closely: a rising D/E signals that each new dollar of borrowing is riskier than the last. For an AR-focused business, the practical lesson is that slow collections force you toward this kind of borrowing. Every invoice paid late is cash you have to replace, often with an overdraft or a loan, which quietly pushes your leverage up.
Faster collections reduce the need to borrow, which keeps the debt-to-equity ratio lower. Money trapped in unpaid invoices is working capital you cannot use, so the longer your days sales outstanding runs, the more you rely on external funding to cover the gap. The link is direct: when a customer pays 30 days late on a large invoice, that is 30 days you may have to bridge with an overdraft, an invoice finance facility or a term loan, every one of which adds to total liabilities and nudges the ratio up. Tightening credit terms, invoicing promptly and chasing overdue accounts pulls cash forward and takes pressure off the balance sheet before it ever shows up in your leverage. Automating reminders and escalations with tools like AR automation is one of the lowest-effort ways to free up that cash, so the business funds its own growth instead of the bank's.
The debt-to-equity ratio shows how much debt a business carries; coverage ratios show whether it can actually service that debt. The two answer different questions, and lenders look at both.
| Ratio | What it measures | Question it answers |
|---|---|---|
| Debt-to-equity | Total liabilities against shareholders' equity. | How much debt does the business carry? |
| Debt service coverage ratio | Earnings available against debt payments due. | Can it actually service the debt it has? |
| Debt-to-assets | Total debt against everything the business owns. Never exceeds 1.0. | How much of the assets are funded by debt? |
| Short-term debt ratio | Debt due within twelve months. | Is there a near-term liquidity squeeze? |
A company can have a moderate D/E but still struggle if its earnings barely cover interest payments, which is exactly what the debt service coverage ratio is designed to catch. The short-term debt ratio isolates the debt due soonest. Read together, these ratios tell you not just how leveraged a business is, but whether the leverage is safe.
Three traps catch people when they read a debt-to-equity ratio in isolation. Each one can make a healthy business look risky, or a risky one look safe.
A ratio built on total liabilities is not comparable to one built on interest-bearing debt only, and a manufacturer's healthy 2.0 is not the same as a software firm's worrying 2.0.
If accumulated losses have wiped out shareholders' equity, the ratio turns negative or meaningless. Read the underlying balance sheet rather than trust the number.
The ratio is taken on one balance-sheet date, so a seasonal business can look very different in March than in September. Pair it with the trend and a coverage ratio.

Don't let these critical mistakes hurt your
collections - See how to fix them, today!