SBA loan basics
Short answer
SBA 7(a) loan interest rates can be either fixed or variable, depending on the lender's offerings and the borrower's preference. Most 7(a) loans are offered with variable rates.
The SBA permits both fixed and variable interest rates for 7(a) loans. Variable rates are typically tied to a base rate like the Wall Street Journal Prime Rate, with an additional spread determined by the lender and capped by the SBA. Fixed rates are less common but are also allowed, often converting a variable rate to fixed after a certain period or for smaller loans.
A borrower might choose a variable rate loan tied to the Wall Street Journal Prime Rate plus 2.75%. If Prime Rate changes from 8.5% to 9%, their monthly interest payment will also adjust upwards, reflecting the new 11.75% rate.
13 CFR Part 120 — Business Loans
Office of the Federal Register · Federal regulation
7(a) Loan Program — Terms, Conditions, and Eligibility
U.S. Small Business Administration · Official SBA source
SOP 50 10 - Lender and Development Company Loan Programs
7(a) Alternative Base Rate Options
Last checked 2026-06-13. Official sources control — verify before relying on any rule for a live deal.
Last reviewed 2026-06-13 · SBA sources checked through 2026-06-13. DealRoom analysis of public SBA 7(a) lending records (FY2020–present). Grounded in the current SBA rulebook; verify against the official sources above before relying on it for a live deal. Not legal, tax, or financial advice, and not an approval decision.
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