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 The Cost of Procrastination Procrastination can be costly. When you get a late start, it may be difficult to make up for lost time. Strategies For Managing Student Loan Debt Five strategies for managing your student debt. What Is My Current Cash Flow? Assess whether you are running “in the black” or “in the red” each month.