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 The Long Run: Women and Retirement For women, retirement strategy is a long race. It’s helpful to know the route. Creating your stream of guaranteed retirement income Your life doesn't stop when your career does. The one thing you don't want to stop, is your paycheck. When Special Care Is Needed: The Special Needs Trust A special needs trust helps care for a special needs child when you’re gone.