Planning estimate only, not financial, tax, or legal advice. Verify assumptions and current rules before making decisions.
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How this calculator works
Formula
The payment uses the stated nominal rate and financed principal. Estimated APR solves the monthly discount rate that makes the payment stream equal net proceeds after fees, then annualizes that monthly rate. Effective annual rate compounds the solved monthly rate for twelve months.
Worked example
A $10,000, 36-month loan at 8% with $300 deducted upfront has a $313.36 payment, about 10.08% estimated fee-adjusted APR, 10.56% effective annual rate, and roughly $1,581 total finance cost relative to net proceeds.
Assumptions to verify
- Payments are level, monthly, and made at the end of each period.
- Fees are either deducted from proceeds or added to financed principal according to the selected option.
- The estimate excludes insurance, irregular payment timing, prepayment, late charges, and jurisdiction-specific disclosure rules.
Frequently asked questions
Why is estimated APR above the stated rate?
Fees reduce proceeds or increase financed principal while payments remain higher, increasing the implied borrowing cost.
What is effective annual rate?
It compounds the solved monthly cost over twelve periods, unlike the nominal annualized APR estimate.
Will this exactly match a lender disclosure?
Not necessarily. Official calculations can use regulated charge definitions, exact dates, rounding, insurance, and other timing conventions.
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