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What Is Debt Service Coverage Ratio (DSCR)? Formula, Meaning and Example

Learn what Debt Service Coverage Ratio means, how to calculate DSCR, how to interpret the ratio, and why it matters when evaluating a company's debt repayment capacity.

By Kamal Kumar2026-09-145 min read

# What Is Debt Service Coverage Ratio (DSCR)?

A company can have profitable operations and still face financial pressure if it cannot comfortably meet its debt obligations.

The Debt Service Coverage Ratio (DSCR) measures how much cash or operating income is available to cover required debt service.

It is especially relevant for businesses with meaningful borrowing, such as infrastructure, manufacturing, real estate and other capital-intensive companies.

DSCR Formula

A commonly used simplified formula is:

DSCR = Cash Available for Debt Service ÷ Debt Service

Debt service generally includes:

Principal repayments
Interest payments

The exact numerator and denominator can vary depending on the company, lender and analytical framework. Always check the definition being used.

Simple Example

Suppose:

Cash available for debt service = ₹500 crore
Principal repayment = ₹150 crore
Interest = ₹100 crore

Total debt service = ₹250 crore

DSCR = ₹500 ÷ ₹250 = 2.0x

In this simplified example, the company has ₹2 of cash available for every ₹1 of scheduled debt service.

How to Interpret DSCR

A DSCR above 1 generally means the measured cash flow is sufficient to cover the defined debt service.

A DSCR below 1 means the measured cash flow is insufficient to cover the defined debt service.

| DSCR | Simplified Interpretation |

|---:|---|

| 0.8x | Does not fully cover debt service |

| 1.0x | Exactly covers debt service |

| 1.5x | 1.5 times coverage |

| 2.0x | Larger coverage cushion |

These are illustrations, not universal rating thresholds.

Why DSCR Matters

DSCR can help investors assess:

Debt repayment capacity
Financial resilience
Refinancing risk
Sensitivity to lower cash flows
Whether additional borrowing may create pressure

A higher DSCR generally provides more room to absorb a temporary decline in cash flow.

DSCR vs Interest Coverage Ratio

These ratios are related but different.

Interest Coverage Ratio primarily focuses on the ability to cover interest expense.

DSCR considers debt service, which can include both interest and principal repayment.

A company may have adequate interest coverage but still face pressure from large principal repayments.

Read What Is Interest Coverage Ratio?.

Example: Why Principal Matters

Suppose a company has:

EBIT = ₹400 crore
Interest = ₹80 crore
Principal repayment = ₹220 crore
Cash available for debt service = ₹300 crore

Interest coverage:

₹400 ÷ ₹80 = 5.0x

But DSCR:

₹300 ÷ (₹80 + ₹220) = 1.0x

The company can cover the defined debt service, but there is essentially no cushion in this simplified example.

This illustrates why looking only at interest coverage can miss principal-repayment pressure.

DSCR and Cash Flow

For equity investors, DSCR should be connected with operating cash flow and free cash flow.

A company may show strong EBITDA while cash is tied up in:

Receivables
Inventory
Capital expenditure
Taxes
Working capital

Therefore, cash availability matters.

Read Cash Flow from Operations and Free Cash Flow.

DSCR and Capital-Intensive Businesses

Consider a hypothetical infrastructure company:

Cash available for debt service = ₹1,200 crore
Interest = ₹400 crore
Principal = ₹400 crore

DSCR = ₹1,200 ÷ ₹800 = 1.5x

If cash available falls to ₹800 crore:

DSCR = ₹800 ÷ ₹800 = 1.0x

A deterioration in cash flow can therefore materially reduce the safety cushion.

DSCR Trend Is More Useful Than One Number

Suppose a company reports:

| Year | DSCR |

|---|---:|

| Year 1 | 2.2x |

| Year 2 | 1.9x |

| Year 3 | 1.5x |

| Year 4 | 1.1x |

Even though the ratio remains above 1, the trend is deteriorating.

Ask:

Is debt increasing?
Are cash flows declining?
Are repayments becoming larger?
Is CapEx consuming cash?
Is refinancing required?

DSCR and Net Debt

DSCR measures debt-service capacity.

Net Debt measures debt after considering cash.

Together they provide a better picture than either metric alone.

A company could have moderate net debt but a near-term repayment schedule that creates pressure.

Frequently Asked Questions

What is a good DSCR?

There is no single universal number. A ratio above 1 indicates coverage under the specific definition used, while a higher ratio generally provides a larger cushion.

Is DSCR the same as debt-to-equity?

No. Debt-to-equity measures leverage relative to shareholders' equity. DSCR measures the ability to cover debt service.

Can DSCR fall even when profit rises?

Yes. Cash flow, working capital, CapEx and debt repayments can change independently of reported net profit.

Do lenders and investors calculate DSCR the same way?

Not always. Definitions of cash available for debt service and treatment of interest, principal, taxes and other items can differ.

Final Thoughts

DSCR answers a practical financial question:

Can the business generate enough cash to meet its scheduled debt obligations?

Use it alongside cash flow, net debt, interest coverage and the debt maturity schedule.

> Disclaimer: This article is for educational purposes only and is not investment or financial advice. DSCR definitions can vary across companies and lenders. Examples are hypothetical. Consult qualified professionals for decisions involving securities or credit.

This article is for educational purposes only and does not constitute financial advice. Please consult a SEBI registered investment advisor before making any investment decisions.