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 Comparing Mortgage Terms Estimate the total cost in today's dollars of various mortgage alternatives. A Look at Systematic Withdrawals This calculator may help you estimate how long funds may last given regular withdrawals. U.S. Personal Savings Rate What can be learned from the savings rate?