While some might argue that compound interest is the most powerful force in the universe, it is undoubtedly one of the most powerful financial forces on Earth. Understanding how compound interest ...

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 ...

Brian Beers is a digital editor, writer, Emmy-nominated producer, and content expert with 15+ years of experience writing about corporate finance & accounting, fundamental analysis, and investing.

Compound interest is the interest earned on money that has already earned interest. Compound interest helps your money grow faster, with no additional investment on your part. Many or all of the ...