Doubling Your Money This calculator demonstrates the power of compound interest. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Want to be Smarter With Your Money? Join our mailing list and get news and info to support your financial goals. First Name Last Name Email Address Thank you! Oops! Related Content Saving for College 101 Here’s a crash course on saving for college. Countering Counterfeit Currency Combating counterfeiting remains core to preserving the integrity of the nation’s money. Your Cash Flow Statement A presentation about managing money: using it, saving it, and even getting credit.