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 Message Thank you! Oops! Related Content Buying vs. Leasing a Car Whatever your relationship with your car, it may eventually come time for a new one. Familiarize yourself with your options. 9 Facts About Retirement Regardless of how you approach retirement, there are some things about it that might surprise you. Bi-Weekly Payments This calculator estimates the savings from paying a mortgage bi-weekly instead of monthly.