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 Filing Final Tax Returns for the Deceased The federal government requires deceased individuals to file a final income tax return. Safeguard Your Digital Estate If you died, what would happen to your email archives, social profiles and online accounts? Capital Gains Tax Estimator Use this calculator to estimate your capital gains tax.