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. The benefits of donor-advised funds A donor-advised fund offers an easy way for a donor to make significant charitable gifts over a long period of 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.