Business Loan Calculator
Last updated June 2026
How to Use This Calculator
Choose your loan type (term loan, SBA loan, or line of credit), enter the loan amount, rate, and term. For SBA loans, the guarantee fee is calculated automatically. Enter your annual revenue to see what percentage of income goes to loan payments and whether the debt load is healthy for your business.
Calculator
Business Loan Calculator
Calculate monthly payments, total cost of borrowing, and effective APR for business loans and SBA loans.
Loan Type
Loan Details
Revenue Context
Healthy. Loan payments are well within revenue capacity.
Yearly Amortization
| Year | Principal | Interest | Balance |
|---|---|---|---|
| 1 | $16,583 | $8,327 | $83,417 |
| 2 | $18,139 | $6,771 | $65,278 |
| 3 | $19,840 | $5,070 | $45,438 |
| 4 | $21,701 | $3,209 | $23,737 |
| 5 | $23,737 | $1,173 | $0 |
Monthly Payment
$2,076
Cost of Borrowing
Business Loan Types Compared
Term Loan
7-12%
Fixed amount with regular payments over a set term. Best for equipment, expansion, or one-time investments. Most straightforward option.
SBA 7(a)
10-13%
Government-backed with longer terms and lower down payments. Best for established businesses. More paperwork but better terms. Up to $5M.
Line of Credit
8-24%
Revolving credit you draw from as needed. Pay interest only on what you use. Best for managing cash flow gaps and seasonal fluctuations.
Understanding the True Cost of Borrowing
The interest rate alone does not tell you the full cost. Origination fees (1-5%), SBA guarantee fees (2-4%), and other closing costs increase the effective APR. A loan advertised at 9% with a 3% origination fee effectively costs 10-11% when you account for fees. The calculator shows the effective APR including all fees.
Revenue coverage rule
SBA Loans vs Conventional Business Loans
Not all business loans work the same way. The three most common options — SBA 7(a), SBA 504, and conventional term loans — differ in rates, collateral, processing time, and maximum amounts. Picking the wrong type costs thousands in unnecessary interest or months of wasted time.
SBA 7(a) Loans
The SBA 7(a) is the most flexible government-backed option. Maximum loan amount is $5 million. Rates are variable, tied to the Prime rate plus 2.25-2.75%, currently landing in the 10-13% range. Terms go up to 25 years for real estate and 10 years for working capital or equipment. The SBA guarantees 75-85% of the loan, which reduces lender risk and enables lower down payments (as low as 10%). Collateral is required but the SBA will not decline a loan solely for lack of collateral if other factors are strong. Processing time: 30-90 days through traditional banks, 2-3 weeks through SBA Preferred Lenders.
SBA 504 Loans
SBA 504 loans are designed specifically for major fixed assets — commercial real estate or heavy equipment. The structure splits the loan: a bank covers 50%, a Certified Development Company (CDC) covers 40% (the SBA-backed portion), and the borrower puts down 10%. Maximum SBA portion is $5.5 million. Rates on the CDC portion are fixed and typically 1-2% below SBA 7(a) rates. The catch: you cannot use 504 loans for working capital, inventory, or debt refinancing. Processing takes 60-90 days minimum because both a bank and a CDC must approve the deal.
Conventional Term Loans
Conventional bank loans skip the SBA entirely. Rates range from 7-12% for strong borrowers with 2+ years in business, good credit, and solid revenue. No guarantee fee (saving 2-4% upfront), and processing is faster — typically 2-4 weeks. The tradeoff: banks require stronger financials, higher down payments (20-30%), and full collateral coverage. Maximum amounts vary by bank but generally cap at $1-5 million for small businesses. If you qualify, conventional loans cost less than SBA loans after factoring in guarantee fees.
Understanding Effective APR
The interest rate on your loan agreement is not the true cost of borrowing. Fees charged at origination reduce the amount you actually receive while keeping payments the same, which increases the real annual percentage rate. Every business owner should calculate effective APR before signing.
Origination fees on business loans typically range from 1-3% of the loan amount. SBA guarantee fees add another 2-3.75% on loans over $150,000. Closing costs — appraisals, legal fees, title search, environmental review — add $2,000-$10,000 depending on loan size and type. These costs are either paid upfront or rolled into the loan balance, and either way they increase what you actually pay.
Effective APR on a $250,000 SBA 7(a) Loan
Prime (8.5%) + 1.5% spread
Paid at closing, reduces net proceeds
85% guaranteed = $212,500 × 3.5%
Third-party fees at closing
6% of the loan amount paid before you use a dollar
What you actually receive after fees
True annual cost accounting for all fees over a 10-year term
That 10% rate became 12.5% once fees were included — a 25% increase in the true cost. On a $250,000 loan over 10 years, the difference between 10% and 12.5% effective APR means roughly $18,000 in additional cost. Always ask lenders for the full fee schedule and calculate the effective APR before comparing offers. The calculator above does this automatically when you enter fees.
What Lenders Look For
Business loan approvals hinge on five factors. Understanding them before you apply saves time and increases your odds of getting funded at the best rate.
Debt Service Coverage Ratio (DSCR)
DSCR measures whether your business generates enough income to cover loan payments. The formula is simple: net operating income divided by total annual debt payments. Most lenders require a minimum DSCR of 1.25x, meaning your business earns $1.25 for every $1.00 in debt payments. SBA lenders may accept 1.15x for strong applications. A DSCR below 1.0x means you cannot cover payments from business income — an automatic decline.
Personal Credit Score
For SBA loans, most lenders require a personal credit score of 680 or higher from all owners with 20%+ stake. Conventional bank loans typically want 700+. Online and alternative lenders may accept scores as low as 600 but charge significantly higher rates — often 15-30%. A score above 750 gets you the best available rates and fastest approvals.
Time in Business and Revenue
SBA loans require at least 2 years in business for most applicants, though startups can qualify with strong personal credit and a solid business plan. Conventional lenders typically want 2-3 years of operating history. Revenue requirements vary, but most lenders want to see at least $100,000-$250,000 in annual revenue for loans over $100,000. Lenders will review 2-3 years of tax returns and 3-6 months of bank statements to verify income stability.
Qualification tip: prepare before you apply
Frequently Asked Questions
What is an SBA loan?
What is the SBA guarantee fee?
What is a good interest rate for a business loan?
How much of revenue should go to loan payments?
Related Tools
Mortgage Calculator
Monthly payments, total interest, and amortization schedule for any loan type.
Loan Calculator
Monthly payments, total interest, and term comparison for any loan. Biweekly payment option.
Loan Amortization
Full amortization schedule with extra payment modeling. See how extra payments save you years and thousands in interest.
Credit Card Payoff
Calculate how long to pay off credit card debt and how much extra payments save you.