Business Loan Calculator
Calculate business loan payments, total cost, and debt service coverage ratio for SBA loans, equipment financing, and more.
Loan Details
v DSCR: Lender-Approvable
3.05x
Debt Service Coverage Ratio (DSCR). Lenders require ≥1.25x. Higher = easier to qualify.
Monthly Payment
$2,052
Per month
Total Interest
$23.1K
Cost of capital
Total Repayment
$123.1K
Over loan term
DSCR
3.05x
v Qualifies
Common Business Loan Types (2026 Rates)
| Loan Type | Avg Rate | Max Term | Monthly Pmt | Notes |
|---|---|---|---|---|
| SBA 7(a) Loan | 8.5% | 10yr | $2,052 | Most common SBA loan, up to $5M |
| SBA 504 Loan | 6.5% | 25yr | $1,957 | Equipment & real estate, up to $5.5M |
| Business Line of Credit | 12% | 2yr | $4,707 | Revolving credit, flexible draws |
| Equipment Financing | 7.5% | 7yr | $2,004 | Asset-backed, up to 100% financed |
| Invoice Financing | 18% | 1yr | $9,168 | Advance on unpaid invoices |
| Merchant Cash Advance | 36% | 1yr | $10,046 | Revenue-based, factor rate 1.2-1.5 |
Principal vs Interest
Annual Repayment Schedule
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Business Loan Calculator with DSCR -- Complete USA Guide 2026
The free Business Loan Calculator computes monthly payments for any business loan type -- SBA 7(a), SBA 504, equipment financing, business lines of credit -- and calculates the Debt Service Coverage Ratio (DSCR), the lender's primary metric for approving business loan applications. Understanding your DSCR before applying for a loan is as important as knowing your personal credit score.
DSCR = Net Operating Income divided by Annual Debt Service (total loan payments). Lenders require a minimum 1.25x DSCR -- meaning the business generates $1.25 in income for every $1 of debt obligation. An application with a DSCR below 1.0x (income doesn't cover payments) will be declined regardless of other qualifications. This calculator shows your DSCR before you apply.
🔬 How This Calculator Works
Monthly payment uses the standard amortization formula for any installment business loan: EMI = P x [r(1+r)^n] / [(1+r)^n - 1]. DSCR is calculated as (Annual Revenue times 0.15) divided by (monthly payment times 12) -- the 15% figure represents a typical NOI margin for qualifying purposes (actual margin used by lenders varies). For the most accurate DSCR, use actual NOI from your most recent financial statements.
📊 Side-by-Side Comparison
| Scenario | Result | Notes |
|---|---|---|
| SBA 7(a) -- standard | 8.5%, up to 10yr | Most flexible, most common |
| SBA 504 -- real estate | 6.5%, up to 25yr | Best for equipment/property |
| Bank term loan | 7-12%, 3-7yr | Requires strong financials |
| Online business loan | 10-30%, 1-5yr | Fast approval, higher cost |
| Merchant cash advance | 30-150% eff. APR | Avoid unless truly last resort |
✅ What You Can Calculate
DSCR Pre-Qualification Check
Knowing your DSCR before applying saves time and protects your credit. An application that gets declined doesn't help you -- and multiple hard credit inquiries from loan applications can lower your credit score. This calculator shows whether your DSCR meets the 1.25x threshold before any formal application.
SBA Loan Type Comparison Table
The built-in comparison table shows monthly payments for your loan amount across all major SBA loan types: 7(a) (8.5% for 10 years), 504 (6.5% for 25 years on real estate), microloan (8% for 6 years), USDA Business loan, and conventional bank term loan. Seeing payments side-by-side helps you identify which loan type fits your cash flow and repayment capacity.
Total Cost of Capital Calculation
Interest on a business loan is the "cost of capital" -- the price you pay for using someone else's money to grow your business. On a $200,000 SBA 7(a) loan at 8.5% for 10 years, total interest is approximately $98,000 -- 49% of the principal borrowed. This total cost must be weighed against the expected return the loan generates.
Principal vs. Interest Visualization
The pie chart showing principal vs. total interest paid makes the true cost of business financing visible. When total interest exceeds 40-50% of the loan amount (common at current rates for 10-year terms), the business case for the loan must include a clear path to returns that exceed the financing cost.
Amortization for Cash Flow Planning
The year-by-year amortization shows exactly how much principal and interest comprises each year's payments -- critical for accounting, tax planning (interest is deductible), and cash flow forecasting. Knowing your debt service costs for the next 5 years enables realistic business financial projections.
2026 Business Loan Rate Benchmarks
The rate guide shows current 2026 market rates by loan type: SBA 7(a) at 8-10.5%, SBA 504 at 6-7%, bank term loans at 7-12%, online lenders at 10-30%, and merchant cash advances at 30-150% effective APR. Knowing market rates enables you to evaluate whether a lender's quote is competitive.
🎯 Real Scenarios & Use Cases
SBA Loan Application Preparation
Before applying for an SBA loan, use this calculator to confirm your DSCR meets the 1.25x minimum requirement with the specific loan amount and term you're requesting. If your DSCR falls short, calculate the maximum loan amount that achieves 1.25x DSCR with your current revenue.
Equipment Financing Decision
Equipment loans are asset-secured, typically have lower rates (6-10%), and can be 100% financed (no down payment for established businesses). Model the equipment payment against its expected revenue contribution or cost savings to calculate the loan's ROI and confirm DSCR compliance.
Line of Credit vs. Term Loan Decision
A business line of credit ($100,000 at 12% drawn and paid monthly) vs. a term loan ($100,000 at 8.5% for 5 years) have different cost structures. The line of credit is cheaper if you only draw intermittently; the term loan is cheaper if you need the full amount consistently. This calculator shows both payment structures for comparison.
Startup Business Loan Feasibility
Startups without 2 years of operating history face SBA loan limitations but may qualify for SBA microloan ($50,000 max), CDFIs, or online lenders. Use this calculator to verify whether the target revenue of your business plan produces a DSCR that would qualify for the financing needed to reach that revenue.
Refinancing Existing Business Debt
If interest rates have declined since your original business loan, use this calculator to model the refinanced payment and compare to your current payment. Refinancing breaks even when monthly savings multiplied by remaining months exceeds refinancing fees (typically 1-3% of loan amount).
Commercial Real Estate Purchase Financing
SBA 504 loans for commercial real estate allow up to 90% financing on owner-occupied property, with the SBA funding 40%, a bank funding 50%, and the borrower providing 10% down. Model the combined payment (SBA portion + bank portion) against the rental income or business revenue generated by the property to verify DSCR.
💡 Pro Tips for Accurate Results
Business loan tips for 2026:
1. Build 2+ years of tax returns and financial statements before applying for an SBA loan -- most SBA lenders require 2 years minimum.
2. A DSCR of 1.35x or higher (not just the 1.25x minimum) significantly increases approval odds and may qualify for better rates.
3. Personal credit score of 680+ is typically required for SBA loans; some online lenders accept 600+. Check your personal credit before applying.
4. SBA loan rates are tied to the Prime Rate -- when the Fed raises rates, SBA loan rates follow. 2026 rates are at multi-decade highs; consider whether a variable rate loan might decrease significantly if rates fall.
5. Prepare your business plan, 3 years of projections, and personal financial statement before approaching any lender -- incomplete applications significantly delay or disqualify consideration.
📌 Did You Know?
Fact #1
SBA loans have historically had a default rate of approximately 3% -- significantly lower than conventional business loans.
Fact #2
The minimum DSCR for most SBA lenders is 1.25x -- meaning business cash flow must be 25% above loan payments.
Fact #3
Interest on business loans is generally 100% tax-deductible as a business expense, reducing the effective cost by your marginal tax rate.
Fact #4
Credit unions often offer the most competitive business loan rates for small businesses with under $1M in annual revenue.
🏁 Bottom Line
Business financing is leverage -- it amplifies both your potential returns and your risks. Before borrowing, verify that your DSCR meets lender requirements, that the expected return on the borrowed capital exceeds its total cost, and that your cash flow can service the debt even in a revenue downturn scenario. This calculator gives you the quantified foundation for that analysis before any lender conversation.
Frequently Asked Questions
DSCR = Net Operating Income / Annual Debt Service (total loan payments). Lenders require a DSCR of at least 1.25x -- meaning your business generates $1.25 in income for every $1 of debt payment. A DSCR below 1.0x means your business can't cover debt from operations. Most SBA lenders want 1.25x or higher. Our calculator estimates your DSCR based on revenue and payment to help you gauge lender eligibility.
Expert Guide
Want to understand the maths behind this calculator?
Our in-depth guide explains every formula, shows worked examples, and helps you make smarter financial decisions.
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