📊 Free Online Tool

Advanced APR Calculator

Compute the true Annual Percentage Rate (APR) for any loan including origination fees, discount points, and closing costs. Compare lenders accurately — not just by interest rate.

True Cost APR
Bulk Upload
Rate vs APR Comparison
Export CSV / JSON

Annual Percentage Rate (APR) Calculator

Enter your loan details including fees to compute the true APR. Switch to Bulk Upload to compare multiple loan offers at once.

📊 Loan Details for APR

💰 Fees & Points Included in APR

Enter your loan details and any fees above, then click Calculate APR to see the true Annual Percentage Rate, total loan cost breakdown, and how the APR compares to the stated interest rate.

Powerful Features Built for Smart Borrowers

Everything you need to see the true cost of any loan offer — not just the advertised interest rate.

True APR Calculation

Compute the real Annual Percentage Rate that accounts for origination fees, discount points, broker fees, and all other financed costs — not just the stated rate.

Rate vs APR Comparison

See side-by-side how the stated interest rate compares to the true APR so you understand exactly how much fees are adding to your borrowing cost each year.

Bulk Loan Comparison

Upload a TXT or CSV file with multiple loan offers from different lenders and compute the true APR for all of them simultaneously to find the best deal.

Full Cost Breakdown

Visual charts show the total split between principal repaid, interest paid, and fees — giving you a complete picture of what every dollar of borrowing actually costs.

Full Amortization Schedule

View your complete month-by-month or year-by-year repayment table showing every payment's principal component, interest component, and remaining balance.

Export & Share Results

Download your APR comparison as a CSV or JSON file for further analysis in Excel, Google Sheets, or any financial planning software you already use.

Calculate True APR in 3 Simple Steps

No registration, no fees — just accurate APR calculations in seconds.

1

Enter Loan Details

Input the loan amount, stated interest rate, and term. Then add any origination fees, discount points, broker fees, or other costs included in the loan's APR calculation.

2

Click Calculate APR

Hit the button and instantly see the true APR, how it compares to the stated rate, total cost breakdown, and the full amortization schedule with visual charts.

3

Compare & Export

Download results as CSV or JSON, or use the bulk upload feature to process multiple lender quotes simultaneously and identify the loan with the lowest true APR.

APR Calculator: What Is Annual Percentage Rate, How It Works & Real-World Examples

An APR calculator (Annual Percentage Rate calculator) is a free online tool that computes the true cost of a loan expressed as a yearly rate, incorporating not only the stated interest rate but also origination fees, discount points, broker fees, and other financed charges. Unlike the nominal interest rate, APR gives borrowers an apples-to-apples comparison metric that reveals the genuine total cost of any loan offer — making it the most important number to evaluate when comparing competing lenders.

What Is Annual Percentage Rate (APR)?

APR is a standardized measure required by the Truth in Lending Act (TILA) in the United States that lenders must disclose on all consumer loans. It represents the annualized cost of borrowing, including the interest rate and specific fees, expressed as a percentage of the loan amount. The key insight is that two loans with identical stated interest rates can have very different APRs if one carries higher upfront fees — and the loan with the higher APR is genuinely more expensive over its full term.

APR vs Interest Rate: Key Differences

The interest rate is the cost of borrowing the principal expressed as a percentage — it determines your monthly payment amount. The APR is the interest rate plus the amortized cost of fees and points expressed as a yearly rate. APR is always equal to or higher than the stated interest rate (it equals the rate only when there are zero fees). For a 30-year mortgage, even a small difference in APR represents tens of thousands of dollars over the loan's lifetime.

How APR Is Calculated

The APR calculation finds the internal rate of return (IRR) of all loan cash flows. Specifically, it solves for the monthly rate r that satisfies:

Net Proceeds = Σ [Monthly Payment / (1 + r)^n] for n = 1 to N

Where Net Proceeds equals the loan amount minus all upfront fees (since fees reduce the amount actually received by the borrower). Once r is found, APR = r × 12 (for monthly compounding). Our calculator uses Newton-Raphson iteration to solve this precisely.

How to Use This APR Calculator

Real-World APR Examples

Example 1 – Mortgage Comparison: Lender A offers 6.5% with $3,000 in fees on a $300,000 30-year mortgage. Lender B offers 6.75% with zero fees. Lender A's APR works out to approximately 6.62%, while Lender B's APR is exactly 6.75%. Lender A is the better deal — but only if you keep the loan long enough to recoup the upfront fees.

Example 2 – Discount Points: Paying 2 discount points (2% of $400,000 = $8,000) to reduce a mortgage rate from 7.0% to 6.5% seems attractive. But the APR shows that this raises your effective cost in the early years. Our calculator helps determine the break-even period — typically 4 to 6 years — at which point the lower rate pays off.

Example 3 – Personal Loan Fees: A $20,000 personal loan at 10% nominal rate with a 3% origination fee ($600) has a true APR of approximately 11.5% over 3 years. Without the APR calculation, borrowers often underestimate the real cost of seemingly small origination fees.

Tips for Using APR to Compare Loans

Our bulk APR calculator makes it effortless to compare every loan offer on a truly level playing field. Simply paste your lender quotes in CSV format or upload a file to run batch APR calculations and instantly identify the most cost-effective borrowing option.

Frequently Asked Questions

APR (Annual Percentage Rate) is the true yearly cost of borrowing, including both the interest rate and all fees such as origination charges, discount points, and broker fees. It matters because two loans with the same stated interest rate can have very different total costs if they carry different fees. APR is the only fair basis for comparing competing loan offers from different lenders.
No. The interest rate determines your monthly payment amount. APR includes the interest rate plus the annualized cost of fees, resulting in a number that is always equal to or higher than the stated interest rate. The larger the gap between a loan's interest rate and its APR, the more fees you are being charged. A loan with zero fees will have an APR exactly equal to its interest rate.
Fees typically included in APR are: origination fees, mortgage broker fees, discount points (prepaid interest), and certain mortgage insurance premiums. Fees generally NOT included are: appraisal fees, title insurance, recording fees, credit report fees, and most third-party settlement costs. Always confirm with your lender which fees are included in their quoted APR, as rules vary by loan type and lender.
Not necessarily. APR assumes you hold the loan to full maturity. If you plan to sell your home or refinance within 5-7 years, a loan with higher upfront fees but a lower rate (higher APR) may still be more expensive than one with lower fees and a slightly higher rate (lower APR). The break-even analysis depends on your expected loan tenure. Our calculator helps you see the total cost at any point in time.
APR is computed by finding the monthly interest rate r that satisfies: Net Loan Proceeds = sum of [Monthly Payment / (1+r)^n] for all payment periods n. Net proceeds equal the loan amount minus all upfront fees (since fees reduce what you actually receive). Once the monthly rate r is solved (using numerical iteration), APR = r × 12 to convert to an annual rate. Our calculator uses Newton-Raphson iteration to solve this precisely.
Yes. Switch to the Bulk Upload tab and either paste CSV-formatted data or upload a .txt or .csv file. Each row should follow the format: label, loan amount, nominal rate (%), term (years), origination fee ($), discount points (%), other fees ($). The calculator processes all entries simultaneously and displays a side-by-side APR comparison table, making it easy to identify the truly cheapest loan offer.

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