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 Savings Essentials in your 30s Your 30s are the best time to set yourself up for retirement savings success. Here are strategies to help you. Can I Refinance My Mortgage? This calculator can help determine whether it makes sense to refinance your mortgage. 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.