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! Related Content College Saving Contact me to develop an education investment strategy that can put your children on the path to success. 10 Tips to Master Personal Finance Life is complicated enough without having to worry about personal finance. Luckily, we're here to help. HSAs: Are they just what the doctor ordered? Are health insurance premiums eating into more of your budget than you’d like?