Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. Ebony Howard is a certified public accountant and a QuickBooks ProAdvisor tax ...

Simply put, compound interest means the interest on an investment grows exponentially—rather than linearly—over time. What this means for a retirement account like a 401(k) or Roth IRA is that every ...

Compound interest can help turbocharge your savings and investments, or it can quickly lead to an unruly balance, keeping you stuck in a cycle of debt. Its magic can help you earn more — or owe more.

The effects of compounding over time are what make compound interest such a powerful force. Albert Einstein is once claimed to have said: "Compound interest is the most powerful force in the universe.

Liliana Hall was a writer for CNET Money covering banking, credit cards and mortgages. Previously, she wrote about personal credit for Bankrate and CreditCards.com. David McMillin writes about credit ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Compound interest is interest that's calculated on ...

The miracle of compounding can turn a mere $1,000 into millions of dollars -- or it can just strengthen your savings account via compound interest. The world of finance can seem boring to many people, ...

Want to know the secret weapon of successful investors? It’s the power of compound interest! Our free compound interest calculator makes it easy to visualize how your investments can grow over time.