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 Retirement Road Trip Discover how to build a retirement plan that guarantees income no matter how long you live. Critical Estate Documents Sound estate management includes creating financial and healthcare documents. Here's an inside look. Tax-Advantaged Retirement Planning Reduce your tax liability in retirement.