What this calculator does
Calculate the maximum loan principal supported by a payment budget, rate, term, and financed fees.
How it works
The calculator evaluates present value = payment × [1 − (1+i)^−n] ÷ i; net proceeds = gross loan × (1 − fee%). Inputs are checked before calculation, and invalid values such as zero denominators or out-of-range selections produce a clear error instead of a misleading result.
Input query strings and outputs
Use an input name in this page’s URL as ?name=value, and join additional inputs with &. Portable shared links may instead use the compact ?ac= state parameter.
Input query strings
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?paymentBudget=Maximum periodic paymentMoney · Required · Default: 500
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?annualRate=Annual nominal ratePercentage · Required · Default: 7
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?paymentsPerYear=Payments per yearNumber · Required · Default: 12
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?years=Loan term in yearsNumber · Required · Default: 5
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?financedFeePercent=Financed fee as % of gross loanPercentage · Required · Default: 0
Outputs
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maximumGrossLoanMaximum gross loanCurrency · Primary output
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netLoanProceedsEstimated net proceedsCurrency
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totalPaymentsTotal scheduled paymentsCurrency
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totalInterestAndFeesPayments less net proceedsCurrency
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paymentCountNumber of paymentsWhole number
Inputs and results
The inputs are Maximum periodic payment, Annual nominal rate, Payments per year, Loan term in years, Financed fee as % of gross loan. Results include Maximum gross loan, Estimated net proceeds, Total scheduled payments, Payments less net proceeds, Number of payments.
Important notes
This estimate is not a loan offer or approval and does not account for all lender fees or underwriting requirements.