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 Question 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 Contents The Latte Lie and Other Myths Do you know these three personal finance sayings? A Penny Saved is Two Pennies Earned Here are some simple and inexpensive energy-saving tips that may help you save money. Your Cash Flow Statement A presentation about managing money: using it, saving it, and even getting credit.