Monthly Payments & Total Cost
Last reviewed: April 2026
A business loan calculator estimates monthly payments, total interest, and amortization schedules for commercial financing. Enter the loan amount, interest rate, and term to compare SBA loans, term loans, and lines of credit before committing to a lender.
Business loan costs depend on the type of lender, your business creditworthiness, time in business, and revenue. SBA-guaranteed loans offer the lowest rates (currently 10-13% APR) but require extensive documentation and take 30-90 days to close.[1] Online lenders provide faster funding (sometimes same-day) but charge significantly higher rates — often 15-45% APR when factoring in all fees, which can include origination fees of 1-5%.[2] A key metric for comparing loans is the total cost of capital: multiply the monthly payment by the number of payments to see the true total cost, then subtract the loan amount to find total interest and fees paid.[3] Use the ROI Calculator to ensure the loan-funded investment will generate returns exceeding the borrowing cost.
Business loan underwriting centers on the "5 Cs": Character (personal credit score — most lenders require 680+), Capacity (cash flow and ability to repay — measured by DSCR, debt service coverage ratio of 1.25+ preferred), Capital (owner investment in the business), Collateral (assets to secure the loan), and Conditions (loan purpose, industry risk, economic climate). Startups under 2 years old face the highest hurdles because they lack financial track record — SBA microloans, revenue-based financing, and personal guarantees are often required. Evaluate your business's financial health with our Break-Even Calculator and Profit Margin Calculator.
| Loan Type | Typical APR | Term | Max Amount | Speed |
|---|---|---|---|---|
| SBA 7(a) | 10–13% | 10–25 yr | $5M | 30–90 days |
| Term Loan (bank) | 7–15% | 1–10 yr | $1M+ | 14–60 days |
| Online Lender | 10–45% | 3 mo–5 yr | $500K | 1–5 days |
| Line of Credit | 8–24% | Revolving | $250K | 7–30 days |
| Equipment Financing | 6–16% | 2–7 yr | Equipment value | 3–14 days |
Business financing comes in many forms, each with different costs, terms, and qualification requirements. Traditional SBA loans (7(a) and 504 programs) offer the lowest rates (typically prime + 2.25–2.75%, currently 8.5–10.5%) with terms up to 25 years, but require extensive documentation and take 30–90 days to fund. Conventional bank loans offer similar rates for well-established businesses with strong credit. Online lenders (Kabbage, OnDeck, Bluevine) provide faster funding (1–3 days) but at significantly higher rates (15–80% APR). Equipment financing secures the equipment itself as collateral, typically at 8–20% with terms matching the asset's useful life. Understanding the true annual cost of each option is critical for choosing the right financing.
| Lender Type | Typical APR | Term | Time to Fund | Min. Requirements |
|---|---|---|---|---|
| SBA 7(a) | 8.5–10.5% | 5–25 years | 30–90 days | 680+ credit, 2+ years |
| Bank term loan | 7–12% | 1–10 years | 14–60 days | 700+ credit, strong revenue |
| Online term loan | 15–45% | 3–36 months | 1–3 days | 580+ credit, 6+ months |
| Line of credit | 10–30% | Revolving | 3–14 days | 600+ credit |
| Merchant cash advance | 40–200% (factor rate) | 3–18 months | 1–2 days | Revenue-based |
Business loan costs extend beyond the stated interest rate. Origination fees (1–5% of the loan amount), guarantee fees (SBA loans charge up to 3.75%), documentation fees, closing costs, and required insurance all add to the effective cost. A $100,000 SBA loan at 9% with a 3% origination fee and 2% guarantee fee costs $5,000 in upfront fees alone. Some online lenders use factor rates instead of APR — a factor rate of 1.25 on a $50,000 advance means you repay $62,500 regardless of how quickly you repay, which translates to a much higher APR on shorter-term advances. Always calculate the true APR, including all fees, before comparing options. Use our ROI Calculator to ensure the financed investment produces returns exceeding the loan cost.
SBA loans are partially guaranteed by the U.S. Small Business Administration (up to 85% for loans under $150,000, 75% for larger loans), reducing lender risk and enabling more favorable terms for borrowers. The 7(a) program is the most versatile, funding working capital, equipment, real estate, debt refinancing, and acquisitions up to $5 million. The 504 program targets fixed assets (real estate, heavy equipment) with long terms and below-market rates. SBA microloans provide up to $50,000 for startups and small businesses. The application process requires a business plan, financial projections, personal and business tax returns, and financial statements. While lengthy, the effort is rewarded with the lowest rates and longest terms available. Plan your business finances with our Break-Even Calculator.
Borrow when the expected return on the investment clearly exceeds the cost of capital. A $200,000 equipment purchase that generates $80,000 in annual profit more than justifies a $200,000 loan at 10% ($20,000 annual interest). Borrow for revenue-generating investments (equipment, inventory, marketing, hiring), not for covering operating losses or lifestyle expenses. Avoid borrowing to make payroll unless it is genuinely a temporary cash flow timing issue. If you need a loan because the business is not profitable, the loan is unlikely to solve the underlying problem and will make it worse by adding debt service obligations. Verify your business can support debt payments with our Profit Margin Calculator and Startup Runway Calculator.
Lenders evaluate the "5 Cs" of credit: Character (credit history, references), Capacity (cash flow to repay), Capital (owner's equity investment), Collateral (assets to secure the loan), and Conditions (purpose of the loan, industry outlook). Strengthen your application by cleaning up personal and business credit (aim for 680+), preparing detailed financial projections showing loan repayment ability, documenting collateral with appraisals, writing a clear business plan explaining how the funds will generate revenue, and demonstrating personal capital investment (lenders typically want owners to have 10–30% equity in the project). Having organized, complete documentation reduces processing time and demonstrates professionalism.
Lenders use the Debt Service Coverage Ratio (DSCR) — net operating income divided by total annual debt service — to assess whether your business can support the loan payments. A DSCR of 1.0 means income exactly covers debt payments with nothing left over. Most lenders require a minimum DSCR of 1.25–1.5, meaning your business generates 25–50% more income than needed for loan payments. If your DSCR is below the required threshold, you can improve it by increasing revenue, reducing operating expenses, extending the loan term (which reduces annual payments), or providing additional collateral to offset the higher risk. Calculate your business profitability with our Profit Margin Calculator and model your cash flow with our Budget Calculator.
Before taking on business debt, model the worst-case scenario. What happens to your cash flow if revenue drops 20–30%? Can you still make loan payments? Stress-testing your projections against realistic downside scenarios prevents over-leveraging that puts both the business and your personal finances at risk. Conservative borrowing — taking only what the business clearly needs and can repay under stressed conditions — is a hallmark of sustainable business growth.
See also: Loan Calculator · Break-Even Calculator · ROI Calculator
→ SBA loans are usually the cheapest option. SBA 7(a) loans offer the longest terms and lowest rates for qualifying businesses. The tradeoff is extensive paperwork and 2–3 month approval timelines. Start the application early.
→ Avoid merchant cash advances if possible. MCAs look simple but carry effective APRs of 40–150%. Daily repayment from credit card sales can strangle cash flow. They're a last resort, not a first choice.
→ Know your DSCR. Debt Service Coverage Ratio (net operating income / total debt payments) should be 1.25+ for most lenders. Below 1.0 means your business can't cover debt payments from operations. Use our Break-Even Calculator to verify viability.
→ Separate business and personal finances. Personal guarantees are common on business loans, but maintaining separate accounts and building business credit opens access to better terms over time.
See also: Break-Even · Loan Calculator · ROI Calculator · Profit Margin