Calculate business loan payments and total cost for term loans, SBA loans, and lines of credit with origination fee inclusion.
A lender quote becomes easier to evaluate when its principal, annual interest rate, repayment term, loan structure, and origination fee are entered here. The calculator estimates scheduled payments and separates principal from interest and fees for term loans, SBA loans, and lines of credit. The detail most often missed is fee treatment: financing an origination fee can increase the repayable balance and subsequent interest, while deducting it from proceeds reduces the cash available to the business.
A concrete input and expected output from the current implementation.
Input
Loan type: term loan; loan amount: $10,000; annual interest rate: 12%; term: 12 months; origination fee: 0%
Expected output
Monthly payment: $888.49. Total of payments: $10,661.85. Total interest: $661.85. Origination fee: $0.00.
The monthly rate is 1%, and 12 level payments amortize the $10,000 balance. Calculations using the unrounded payment produce $10,661.85 in total payments, so interest is $10,661.85 minus $10,000, or $661.85.
For a monthly installment loan, the calculation applies the monthly portion of the entered annual rate to the outstanding balance and finds the level payment that reduces that balance to zero over the stated term. Early payments contain more interest because the balance is larger. Total interest equals all scheduled payments minus the full starting balance being amortized, including any financed origination fee.
The origination-fee setting includes that charge in the borrowing-cost comparison. When the fee is financed, it becomes part of the amount repaid; when paid from proceeds, it reduces usable cash instead. A line-of-credit estimate describes the entered draw and repayment assumptions, rather than every withdrawal that might occur during the life of a revolving facility.
No. A fee withheld from proceeds lowers the cash the business receives, even when the stated principal remains unchanged. A financed fee instead raises the balance that must be repaid. Check the lender's disclosure to determine which treatment applies, because the same fee percentage can produce different cash proceeds and repayment totals.
Only when the balance, rate, and repayment pattern remain as entered. Actual revolving credit can include new draws, principal repayments, variable rates, minimum payments, and separate facility charges. Those events are absent unless the calculator provides corresponding inputs, so recalculate whenever the expected draw or rate changes.
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