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. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Should You Ever Retire? A growing number of Americans are pushing back the age at which they plan to retire. Or deciding not to retire at all. Learn, Earn and Retire at Any Age What can the rest of us learn from millennials’ desire to embrace all of life in the moment? 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.