Saving for College This calculator can help you estimate how much you should be saving for college. 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 Rule of 72 Do you know how long it may take for your investments to double in value? The Rule of 72 is a quick way to figure it out. Options When Your CD Matures Knowing your options when a CD matures can help you make a sound investment decision. 5 Smart Investing Principles Principles that can help create a portfolio designed to pursue investment goals.