Coverage ratio definition

What is a Coverage Ratio?

A coverage ratio measures the ability of a business to pay its debts in a timely manner. Coverage ratios are commonly employed by creditors and lenders , both for their existing customers and new customers applying for credit . The ratios may be used internally, though usually only when loan covenants require that a business must maintain a certain minimum ratio or else face a loan cancellation.

A coverage ratio could provide a narrow focus on just the ability to pay back interest on a loan (the interest coverage ratio ) or examine the ability to pay back both the interest and scheduled principal payments on a loan (the debt service coverage ratio ). The latter type of measurement is preferable, since it provides the most detailed analysis of whether a business can fulfill its debt obligations.

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Types of Coverage Ratios

There are several types of coverage ratios, each of which addresses a slightly different aspect of the debt-paying ability of a borrower. We note several coverage ratios below.

Asset Coverage Ratio

The asset coverage ratio measures how well an organization can pay its debts. It is calculated as the amount of assets available to pay down debts, divided by all debts outstanding.

Debt Service Coverage Ratio

The debt service coverage ratio measures the ability of a revenue-producing property to pay for the cost of all related mortgage payments. To calculate the ratio, divide the net annual operating income of the property by all annual loan payments for the same property.  The formula is:

Net Annual Operating Income ÷ Total of Annual Loan Payments

Interest Coverage Ratio

The interest coverage ratio is the most basic of the coverage ratios. It measures the ability of a company to pay the interest on its outstanding debt. The formula for this ratio is to divide earnings before interest and taxes (EBIT) by the interest expense for the measurement period. The calculation is:

Earnings before interest and taxes ÷ Interest expense

How to Evaluate a Coverage Multiple

There is no particular coverage multiple that is specifically considered good or bad. In general, the higher the ratio, the better the probability that a company will be able to pay its debts. If a ratio is less than 1:1, this is a strong indicator of impending payment problems. The best way to examine a coverage ratio is to plot it on a trend line over a long period of time; if the trend is declining, this can be an indicator of future problems, even if the ratio is currently high enough to indicate a reasonable level of liquidity . The ratio can also be compared to the same calculation for competitors, to see how the targeted business is operating in relation to its peers.

Coverage ratios should be evaluated in concert with the volatility of company cash flows . If cash flows fluctuate a great deal over time, even a high coverage ratio may not provide an adequate indication of the ability to pay. Conversely, if company cash flows are extremely steady and reliable, a much lower coverage ratio might still provide a creditor or lender with some confidence concerning repayment.

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