APR Calculator
Calculate your loan's estimated annual percentage rate from the amount borrowed, stated interest rate, term and upfront loan fees—then see the payment, total borrowing cost and how the loan changes over time.
See the true annual cost of your loan.
Enter the loan amount, stated interest rate, term and any applicable upfront loan fees. The calculator runs locally and turns those figures into a compact APR and loan-cost analysis.
Your entered fees raise the effective annual borrowing rate above the stated interest rate.
APR takeaway: fees make the loan more expensive than the stated interest rate alone suggests.
How to useKeep the process short: enter the amount, stated rate, term and any applicable upfront fee. The result updates automatically when the required fields are valid.
What your result meansThis page is deliberately specific: it estimates APR for a standard fixed-rate, equal-monthly-payment loan rather than mixing APR with affordability, credit score or approval tools.
What APR tells you
APR is an annualized measure of credit cost. On a simple closed-end installment loan, applicable upfront fees can make APR higher than the stated interest rate because the borrower receives less net credit while making the scheduled payments.
What the monthly payment tells you
The monthly payment is calculated from the full loan amount, stated annual interest rate and number of monthly payments. It shows cash-flow impact, while APR focuses on annualized credit cost.
What total borrowing cost tells you
Total borrowing cost in this calculator equals scheduled interest plus the entered upfront fees. It complements APR by translating borrowing cost into dollars.
Scope and assumption
The calculator assumes one initial loan advance, equal monthly payments, a fixed stated rate, and entered fees deducted from proceeds rather than added to principal. Irregular payment dates, financed fees, variable rates and open-end credit need different treatment.
FormulaThe payment is calculated from the stated loan rate. APR is then solved from the amount financed and payment stream using an iterative present-value equation.
Example values will appear here after calculation.
Tips and common mistakesUse APR as one comparison measure, then check the payment, term and total dollar cost. Keep fee treatment consistent when comparing offers.
Tips
- Compare APRs, not only advertised rates. Applicable fees can change the annualized cost.
- Check which upfront fees apply. Origination and other charges can affect the amount financed and APR treatment.
- Compare similar loan terms. A different term changes payment size and total dollars paid.
- Look at APR and total cost together. Percentage and dollar views answer different questions.
- Review official disclosures. Use the lender's final documents for the transaction-specific APR.
- Recalculate when fees change. Even with the same rate and term, fees can move APR.
Common mistakes
- Entering APR as the interest rate. Use the stated annual interest rate in the rate field.
- Leaving out relevant upfront fees. Omitting them can understate the estimated APR.
- Assuming APR equals interest rate. The two measures can differ when applicable charges are present.
- Comparing APRs across very different terms. Term, payment and total cost still matter.
- Treating the estimate as an official disclosure. Actual lender APR can depend on transaction details and rules.
- Assuming every fee belongs in APR. Fee treatment can vary; enter only fees appropriate for the comparison you are making.
Frequently asked questionsConcise answers to the APR questions users most often need after seeing a rate, fee impact and total borrowing cost.
ReferencesPrimary U.S. consumer-credit references used for the calculation framework and educational explanations.
- CFPB — Regulation Z, Appendix J: APR Computations for Closed-End Credit
- CFPB — § 1026.22 Determination of Annual Percentage Rate
- CFPB — Difference Between a Loan Interest Rate and APR
- CFPB — Mortgage Interest Rate vs APR
- CFPB — Regulation Z Annual Percentage Rate Tables
- eCFR — 12 CFR Part 1026, Appendix J
DisclaimerA focused APR estimate is useful for education and comparison, but it is not a lender disclosure or a substitute for transaction-specific advice.
Use the result as a planning and comparison aid.
This APR Calculator provides estimates for educational and planning purposes. Actual APR calculations and required disclosures can depend on payment timing, transaction structure, fee treatment, applicable law and lender methodology. Results are not loan offers, financial advice, legal advice or official lending disclosures. Review the lender's official documents before making a borrowing decision.