Loan Calculator USA - Estimate Monthly Payments in the US

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Loan Amount (USD)

Interest Rate (%)

Loan Term (months)

Monthly Payment

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Total Payment

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Total Interest

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How Loans Work in the USA

In the United States, most consumer loans—personal, auto, and mortgages—use a fixed interest rate and equal monthly payments. The amount you pay each month depends on the principal (amount borrowed), the annual percentage rate (APR), and the term in months. Lenders typically quote rates as an APR and apply interest monthly. LoanWise uses the standard amortization formula used by US banks and credit unions.

Typical Interest Rates in the US

Rates vary by product, borrower credit, and market conditions. As of recent years, personal loans in the US often range from about 8% to 36% APR for qualified borrowers; auto loans may run 5%–12%; and mortgages often fall between 6% and 8% for 30-year fixed loans. Your actual rate depends on your credit score, income, and the lender. Use this calculator to see how different rates affect your monthly payment.

Frequently Asked Questions

What is a good interest rate in the US?

It depends on the loan type and your credit. For personal loans, rates below 15% APR are generally considered good for borrowers with strong credit. Auto and mortgage rates are often lower. Shop around and compare offers from multiple lenders.

How long are typical US loans?

Personal loans often run 24–84 months; auto loans 36–72 months; and mortgages 15 or 30 years (180 or 360 months). Shorter terms usually mean lower total interest but higher monthly payments.

Do banks calculate interest monthly?

Yes. Most US consumer loans use monthly compounding: interest is applied each month on the remaining balance. This calculator uses that standard approach, so the results match what you’d see from a typical US lender.