Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Roth IRA for Kids Learn about the benefits and requirements of opening a Roth IRA for kids. Prevent a Rift: Money Tips for Newlyweds Couples may be able to head off many of the problems in a marriage that money can cause. Jane Bond: Infiltrating the Market Agent Jane Bond is on the case, cracking the code on bonds.