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DSCR Calculator — Debt Service Coverage Ratio for SBA & Commercial Loans
Calculate Debt Service Coverage Ratio (DSCR) for commercial real estate and business loans.
Parameters & Assumptions
Live Analysis & Metrics
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Debt Service Coverage Ratio Formula
Transparent mathematical methodology explained in plain English.
DSCR = Net Operating Income (NOI) / Total Annual Debt Service (Principal + Interest)Measures a business or commercial property’s ability to generate sufficient cash to cover its mandatory loan principal and interest payments.
Variables Explained:
- Net Operating Income / NOI ($): Annual revenue minus standard operating expenses.
- Annual Debt Service ($): Total annual loan payments (principal + interest).
$150,000 Annual NOI with $100,000 Annual Loan Debt Payments
Calculating commercial loan DSCR coverage.
- Calculate DSCR: $150,000 / $100,000 = 1.50x.
- Coverage Buffer: Income exceeds debt obligations by 50% ($50,000 safety margin).
Frequently Asked Questions: DSCR Calculator
Click any question below to expand quick answers, formulas, and expert tips.
What is the minimum DSCR required by banks and the SBA?
Most commercial banks and SBA lenders require a minimum DSCR of 1.20x to 1.25x. A DSCR below 1.0x indicates negative cash flow where the business cannot service its debt without external cash.
How can a borrower improve their DSCR?
By increasing Net Operating Income (raising prices, lowering expenses), making a larger down payment to lower loan amount, or extending the loan amortization term.