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 Question Thank you! Oops! Related Content Eight Mistakes That Can Upend Your Retirement There are common mistakes you can avoid when saving for retirement. Disability and Your Finances In the event of an unforeseen accident or illness, disability insurance may be a good way to protect your income and savings. What Is My Current Cash Flow? Assess whether you are running “in the black” or “in the red” each month.