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? Address Thank you! Oops! Related Contents The Cost of Procrastination Procrastination can be costly. When you get a late start, it may be difficult to make up for lost time. Five Things to Know About 529 Plans Wherever your child is on their education journey, there's no better time to start saving for college than right now. Your Cash Flow Statement A presentation about managing money: using it, saving it, and even getting credit.