Elvis Picardo is a regular contributor to Investopedia and has 25+ years of experience as a portfolio manager with diverse capital markets experience. Suzanne is a content marketer, writer, and ...

A simple interest loan calculates the interest based only on the principal you owe. It stands in contrast to a compound interest loan, which calculates interest based on principal and any outstanding ...

Knowing your loan's interest rate matters, as does learning how that rate is calculated. Interest is either simple or compound. Are Personal Loans a Good or Bad Idea? Taking out a personal loan can ...