Apr Loan Calculator

Quickly calculate loan payments and compare APRs with our user-friendly tool. Understand total costs, find affordable options, and secure the best loan for your needs.

APR Calculator
Loan Comparison
Amortization Schedule
Prepayment Analysis
Rate Change Impact

Loan Details

Fees & Charges

Payment Frequency

Compare Two Loan Offers

Loan Option 1

Loan Option 2

Loan Amortization Schedule

Prepayment Analysis

Interest Rate Change Impact

100% browser-based No upload to server Free to use

Frequently Asked Questions About Online Calculators

Is the APR Loan Calculator completely free to use?

Yes, 100% free. There are no premium tiers, no credit card required, and no trial periods. You can run unlimited calculations—compare ten different loan offers in ten minutes if you want. The only thing we ask is that you share it with a friend who’s also shopping for a loan.

What’s the difference between the interest rate and APR on a mortgage?

The interest rate is the cost of borrowing the principal, expressed as a percentage. The APR (Annual Percentage Rate) is the interest rate plus all other loan fees, such as origination fees, closing costs, mortgage insurance, and discount points. The APR is always equal to or higher than the interest rate. Lenders are required to disclose the APR, but many bury it in fine print. Our calculator puts it front and center.

How do extra payments affect my total loan cost?

Extra payments reduce your principal balance faster. This means less interest accrues over time. Even a small additional amount—like $50 per month—can save you thousands in interest and pay off your loan years early. Use the Prepayment Analysis tab to see your specific numbers. You might be surprised how little extra effort it takes to save a fortune.

Does the calculator work for any type of loan?

Yes, it works for any fixed-rate loan where payments are consistent. Common uses include mortgages (15-year, 30-year), auto loans, personal loans, student loans, and even equipment financing. It does not work for adjustable-rate mortgages (ARMs) or loans with variable interest rates, as the payment changes over time.

Can I use this on my phone while at a car dealership?

Absolutely. The tool is fully responsive and works on any smartphone browser. You can literally stand in the finance manager’s office, enter their numbers, and see the real APR before you sign. No app download needed. Just open the page, and you have a second opinion in your pocket.

Why should I trust this calculator over a lender's own disclosure?

Because a lender’s disclosure is designed to make their offer look good. Our calculator is neutral. It doesn’t care which loan you pick. It only cares about the math. Plus, since everything runs locally on your device, you can test “what if” scenarios—like adding a $2,000 fee or reducing the term—without a lender guiding your choices. You’re in complete control.

The Bottom Line: Know Your Number Before You Sign

A loan isn’t just a monthly payment. It’s a financial commitment that can last decades. The difference between a good loan and a bad loan isn’t always obvious from the interest rate. Fees are the hidden trap.

Guide