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 | Related Content 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. TIPS for Inflation If you are concerned about inflation and expect short-term interest rates may increase, TIPS could be worth considering. Keys to Investing for Retirement There are some key concepts to understand when investing for retirement.