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Business Loan Calculator

Calculate commercial loan payments, annual debt service, APR including lender fees, and Debt Service Coverage Ratio (DSCR).

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Used to evaluate Debt Service Coverage Ratio (DSCR).

DSCR: 1.62x (Strong) Effective APR: 9.00%
Monthly Debt Payment
$3,077.48
Annual Debt Service: $36,930/yr
Total Interest Expense
$34,649
Total Cost of Capital: $190,899
Origination Fee ($3,750) Financed: $150,000
Servicing Fees $2,500
Principal
$150,000
Interest Rate
8.5% APR
Coverage (DSCR)
1.62x
Total Outlay
$190,899

Commercial Balance Reduction Trajectory

Principal balance reduction over the 5-year term

Principal Balance
$0 $49,500 $99,000 $150,000 Yr 1 Yr 2 Yr 3 Yr 4 Yr 5

Commercial Amortization Schedule

Principal reduction and interest charges

Period Payment Principal Interest Ending Balance
Year 1 $36,930 $25,144 $11,785 $124,856
Year 2 $36,930 $27,367 $9,563 $97,489
Year 3 $36,930 $29,786 $7,144 $67,703
Year 4 $36,930 $32,419 $4,511 $35,284
Year 5 $36,930 $35,284 $1,646 $0

Commercial Debt and Working Capital

Business loans fund expansion, inventory acquisition, equipment purchases, or commercial real estate. Unlike personal credit which primarily looks at consumer credit scores, commercial underwriters evaluate cash flow health, historical balance sheets, and most importantly, your Debt Service Coverage Ratio (DSCR).

The Debt Service Coverage Ratio (DSCR)

DSCR = Net Operating Income (NOI) ÷ Annual Principal & Interest Debt Service
  • DSCR ≥ 1.35x (Strong): Robust cash buffer. Most commercial banks and SBA lenders readily approve.
  • DSCR 1.15x – 1.34x (Acceptable): Satisfactory coverage, though lenders may request personal guarantees or collateral.
  • DSCR < 1.15x (Vulnerable): High risk of default if revenues decline or operational costs rise.

Common Commercial Loan Types

SBA 7(a) Loans

Government-backed loans offering up to $5M with competitive rates and terms up to 10–25 years.

Bank Term Loans

Traditional fixed or variable rate bank financing for established businesses with 2+ years of tax returns.

Equipment Financing

Secured directly by the machinery or vehicle being acquired, often requiring minimal cash down.

Understanding your calculation

Method, example and limitations

How the calculation works

Business-loan projections model principal, interest and payment frequency to estimate scheduled debt service and financing cost.

Example to check

A zero-interest business loan of 60,000 repaid in 60 equal monthly installments requires 1,000 per month.

Before using the result

Daily repayments, factor rates, origination fees, guarantees and balloon amounts may need a different cash-flow model. Compare contract terms and business liquidity.

Calculation methodology · Report a result that needs review