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 Bi-Weekly Payments This calculator estimates the savings from paying a mortgage bi-weekly instead of monthly. Ways to Supplement Your Medicare Coverage There are numerous ways to supplement your Medicare insurance coverage. This article helps you explore your options. Planning Your Legacy Legacy or estate planning is part of good retirement planning. Here are a few things to consider when working on your plan.