Simple interest is the interest applied only to the original amount of money deposited or borrowed. Calculating simple interest requires knowing your principal amount, annual interest rate, and time ...

Whether you are paying interest or being paid interest, it's important to fully understand how that interest is calculated. There are two basic types of interest: simple and compound. How each type is ...

Elvis Picardo is a regular contributor to Investopedia and has 25+ years of experience as a portfolio manager with diverse capital markets experience. Michael Boyle is an experienced financial ...