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 Planning With Your Special Needs Child in Mind Having a special needs child adds another layer of complexity to retirement planning. A special needs trust may help. Managing the Risk of Outliving Your Money Steps to help you sustain and grow your retirement savings. Essential Steps to Avoid and Recover From Identity Theft Identity theft is becoming more common every day. Here’s what to do if it happens to you.