Free planning tool

SBA 7(a) loan cost calculator

Move sliders, set your term, and instantly see your monthly payment, total interest, and full year-by-year payoff timeline. Nothing leaves your browser.

Configure your loan
What's the loan for?
$
$0 $2.5M $5M
Term length
Down payment (min 10%)
%
Max rate
SBA + lender fees

Estimated monthly payment

at
over
paid off
Total cost over the life of the loan
Principal $ Interest $
Principal — Interest —
Total interest
SBA + lender fees
Down payment
Pay-off date
Principal paid this year Interest paid this year

*Qualification criteria, rates, and other funding terms vary by business type, location, and other factors. This calculator is not a guarantee of funding and should not be relied upon as an accurate assessment of the availability or terms of any represented funding products.

What this SBA loan calculator does

This SBA loan calculator provides estimated monthly payments, total repayment, and illustrative fees for an SBA 7(a) loan based on the inputs you enter and standardized lending assumptions. It is intended as a planning tool — not a loan offer or eligibility decision.

What it uses

  • Loan amount
  • Loan purpose (business acquisition or real estate vs. working capital)
  • Term length
  • Maximum SBA 7(a) variable interest rate ranges, tied to loan size
  • SBA guarantee fee and a typical lender packaging fee

What it does not do

  • Does not determine eligibility or approval
  • Does not guarantee interest rates, terms, or fees
  • Does not replace lender underwriting or SBA program requirements

Actual loan terms vary by lender, borrower profile, and current SBA guidance. If your business doesn't fit the SBA timeline or qualification requirements, see our guide on choosing between an MCA and a business loan.

What information is required?

To generate an estimate, this calculator only asks for high-level information:

  • Use of funds (business acquisition, real estate, or working capital)
  • Estimated loan amount
  • Preferred term length
  • Down payment percentage (when applicable)

No personal, financial, or credit data is required. Your inputs are processed entirely in your browser.

Output breakdown

Estimated monthly payment

A recurring payment based on principal and interest over the selected term, calculated using a standard amortization (PMT) formula at the maximum SBA 7(a) variable rate for your loan size.

Estimated total repayment

The combined amount of principal and interest paid over the life of the loan.

Estimated one-time fees

An approximation of the SBA guarantee fee (tiered by loan size) and a typical lender packaging fee that may apply at origination.

Estimated down payment

An estimated upfront contribution. Applied when the loan is used to buy a business or purchase real estate; not applied to working-capital loans.

Estimated pay-off date

A projected date when the loan balance reaches zero under the modeled payment structure.

Year-by-year timeline

The timeline shows how each year's payments split between principal and interest. Early years are interest-heavy; later years are principal-heavy. Your actual schedule will be issued by the lender at underwriting.

Common limitations to keep in mind

  • Estimates are not offers. Calculator outputs are not commitments from any lender or the SBA.
  • Interest rates vary. Final rates depend on lender policies, your credit profile, and prevailing market conditions.
  • Fees are approximations. Lender-specific fees may differ from the estimates shown.
  • Loan amounts are not guaranteed. Approved amounts depend on underwriting and program eligibility.

Use this as a starting point

SBA loans are well-suited to long-horizon needs — buying out a partner, acquiring real estate, or financing major equipment — when you have time for the 30-to-90-day approval process. For short-horizon working capital or businesses that don't yet meet SBA credit and time-in-business requirements, faster alternatives exist. Our team at iAdvance Now can help you compare an SBA path against same-week funding options.

SBA loan FAQs

Most SBA 7(a) loans cap at $5 million. The amount you actually qualify for depends on your credit profile, annual revenue, time in business, and intended use of the funds. Lenders typically want to see two or more years of profitable operations and a personal credit score of 640 or higher for SBA-backed financing.
SBA 7(a) rates are typically more attractive than short-term business financing because they're partially backed by the federal government. Rates are tied to the prime rate plus a lender spread, and the SBA caps the maximum spread by loan size — currently 6.5% over prime for loans of $50,000 or less, stepping down to 3.0% over prime for loans above $350,000. The calculator above uses these maximum spreads as a worst-case estimate.
The full SBA approval process generally takes 30 to 90 days, depending on the loan type, the lender, and how quickly you can provide documentation. SBA Express loans can move faster — sometimes 36 hours for an initial decision — while standard 7(a) loans for larger amounts can take longer.
You enter the loan amount, term length, and (when buying a business or real estate) a down payment percentage. The calculator applies a standard amortization formula — the same one a lender uses — at the SBA's maximum variable rate for your loan size, and adds a tiered estimate for the SBA guarantee fee and a typical lender packaging fee. All math runs in your browser; nothing is submitted or stored.
SBA loans have stricter requirements than most short-term business financing. Lenders typically require a credit score of 640+, two-plus years in business, monthly revenue of at least $8,000, and clean financial statements. If your business doesn't check those boxes yet, see our guide on funding options when credit is a constraint — there are paths forward while you build toward SBA eligibility.

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