Free loan calculator to find the repayment plan, interest cost, and amortization schedule of conventional amortized loans, deferred payment loans, and bonds.

In the following article, we show you how to calculate interest on a loan, and you can read some interesting details in our FAQ. To learn more about loan amortization, check our amortization calculator.

Aug 15, 2025 · Wondering how to calculate interest on a loan? You'll need basic info about the loan and the right formula.

Jun 18, 2025 · Not all loans are created equal. Understanding how to calculate a monthly payment, as well as the amount of interest you'll pay over the life of the loan, are very helpful in choosing the …

Oct 20, 2025 · Use our loan interest calculator to see how much interest you’ll owe each month and over the life of your loan.

Aug 1, 2025 · Input loan amount, interest rate as a percentage and length of loan in years or months and we can find what is the monthly payment on your loan. This loan calculator also lets you create and …

2 days ago · To use the calculator, you will input these numbers into each section, select “CALCULATE,” and it will show your estimated monthly payment, as well as the total interest paid …

May 9, 2025 · To calculate simple interest, use the formula Total interest = Principal × Rate × Time. Compound interest accounts for interest-on-interest, making it more expensive over time. Monthly …

Apr 22, 2025 · To calculate how much you'll pay in simple interest, multiply the principal (P) by the interest rate (R) by the time period in years (T), then divide that number by 100. Many online lenders...

Mar 7, 2025 · Learn how to calculate principal and interest on loans, including simple interest and amortized loans, and understand the impact on your monthly payments and loan costs.