What would the payment be on a $500,000 SBA loan?
About $6,608 a month over 10 years, or $4,544 over 25 years on a qualifying real-estate loan, at the current 10.00% ceiling rate, plus an $11,250 upfront guaranty fee.
The answer,
in full.
Checked against the current SBA rules and forms on October 28, 2026.
At the current ceiling rate, about $6,608 a month over 10 years, or $4,544 a month over 25 years when the loan qualifies for the real-estate term.
The assumptions: a variable-rate 7(a) loan over $350,000 is capped at the prime rate plus 3.0 points. Prime has been 7.00% since September 17, 2026, so the cap is 10.00%. Most lenders price below it. At 9.00% the same loan is about $6,334 a month over 10 years or $4,196 over 25.
Add the upfront guaranty fee. SBA guarantees 75% of a $500,000 loan, or $375,000, and the FY2027 fee on loans between $150,001 and $700,000 is 3% of the guaranteed portion: $11,250, paid at closing or financed into the loan. Manufacturers, listed food-supply-chain businesses and rural businesses pay no upfront fee on loans of $700,000 or less through September 30, 2027.
Over 10 years at 10.00%, total interest comes to roughly $293,000. The SBA loan calculator runs any amount, rate and term and adds the fee for you. Whatever the payment, the lender will want it covered 1.15 times by cash flow, and 1.25 times on a business purchase.
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