What is the average SBA loan interest rate by loan size in 2026?

Based on public SBA 7(a) data for FY2024+ originations, average rates fall as loan size rises: under $150K averages about 11.4%, $150K to $350K about 10.7%, $350K to $500K about 10.0%, $500K to $1M about 9.7%, $1M to $2M about 9.4%, and $2M+ about 9.2%. Small borrowers pay roughly a 2.2-point penalty versus the largest loans.

Why do smaller SBA loans have higher interest rates?

Fixed origination, underwriting, and servicing costs are spread over a smaller balance on a small loan, so the lender prices a higher rate to cover them. Larger loans amortize those fixed costs across more principal, producing a lower rate. Right sizing the request or pairing with a larger facility can move a borrower into a better rate band.

Can I use the SBA Rate Index on my own website?

Yes. The PeerSense SBA Rate Index is free to embed. Add a div with id "peersense rate index" and include the script from peersense.com/embed/sba-rate-benchmark.js. The widget renders the current rate by loan size table with attribution back to PeerSense.

Open Data · PeerSense Research

The SBA Rate Index

Name: PeerSense SBA Rate Index
Creator: PeerSense
License: https://peersense.com/terms-and-conditions

The average SBA 7(a) interest rate by loan size, from public SBA data (FY2024+). Loans under $150K average about 11.4%; loans of $2M and up price near 9.2%, a 2.2-point penalty for borrowing small. Updated June 2026.

SBA 7(a) Rate by Loan Size

Loan Size	Avg Rate (FY2024+)	Loans
<$150K	11.39%	1,117,799
$150K–$350K	10.69%	443,395
$350K–$500K	10.00%	158,714
$500K–$1M	9.70%	225,996
$1M–$2M	9.38%	122,588
$2M+	9.23%	57,417

PeerSense analysis of public SBA 7(a)/504 records, FY2024+ originations. Indicative averages; individual pricing varies by lender, credit, and structure.

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Renders a 440px wide responsive card. Data served from the public PeerSense SBA Rate Index.

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