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 Question Thank you! Oops! Related Content How Much Home Can I Afford? With a few simple inputs you can estimate how much of a mortgage you may be able to obtain. Retirement Is a Beginning Key questions to answer when you are considering retirement. Infographic: Women Are Financially Savvy Women Are Financially Savvy. Yet, there are still unique challenges working against women in retirement.