The DSCR Calculator works out your debt service coverage ratio in an instant. Enter net operating income (annual) and annual debt service and the result updates as you type — it is free, needs no sign-up, and runs entirely in your browser so your figures stay private.
Enter the net operating income (annual).
Enter the annual debt service.
Read off your debt service coverage ratio — the calculator updates automatically, with no button to press.
Formula
The DSCR Calculator uses the formula:
Debt service coverage ratio = Net operating income (annual) ÷ Annual debt service
Worked example
For example, with net operating income (annual) of ₹600,000 and annual debt service of ₹500,000, the debt service coverage ratio is 1.20.
Inputs used
Net operating income (annual)
₹600,000
Annual debt service
₹500,000
Results
Debt service coverage ratio
1.20
Results are estimates for educational use, not professional advice.
Rental income minus operating expenses, before mortgage and tax (NOI).
Ratio
A comparison of two quantities showing how many times one contains the other.
Frequently asked questions
The debt service coverage ratio is net operating income divided by annual debt payments. 6,00,000 NOI over 5,00,000 debt service is a DSCR of 1.2.
Many lenders look for at least 1.2 to 1.25, meaning income comfortably exceeds debt payments.
It means income does not cover the debt payments, signalling negative cash flow and higher risk.
NOI is rental income minus operating expenses, before mortgage payments and income tax.
The DSCR Calculator uses the formula: Debt service coverage ratio = Net operating income (annual) ÷ Annual debt service. For example, with net operating income (annual) of ₹600,000 and annual debt service of ₹500,000, the debt service coverage ratio is 1.20.
Enter the net operating income (annual). Enter the annual debt service. Read off your debt service coverage ratio — the calculator updates automatically, with no button to press.
A DSCR of 1.25 or higher is generally considered good by lenders — it means the income available is at least 1.25 times the debt payments. A DSCR below 1.0 means income does not cover the debt, while 1.5 and above is seen as strong.
Cut through property hype with the numbers that matter — NOI, cap rate, rental yield, cash-on-cash return and DSCR — plus the costs beginners forget, so you can judge a deal like an investor.
Reference table of debt service coverage ratio for DSCR across a range of net operating income (annual) values — exact, engine-computed figures you can read off at a glance.