Affiliate links for the products on this page are from partners that compensate us (see our advertiser disclosure with our list of partners for more details). However, our opinions are our own. See ...

Taking out a loan can help you buy a car, a house or even pay for school, but it comes with a cost. The loan principal is the amount you borrow before interest and fees are added, and it sets the ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Thomas J. Brock is a CFA and CPA with more than 20 years of experience in various areas ...

Principal is the amount you borrow and interest is the added charge you pay to borrow it. The interest rate determines the total cost of a loan and how long it will take to pay off the principal. Many ...