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 Navigating Retirement Pitfalls Why are they made again and again? Making sense of these errors in judgement. RE: Retirement How does your ideal retirement differ from reality, and what can we do to better align the two? Keep Your Umbrella Handy Umbrella liability can be a fairly inexpensive way to help shelter current assets and future income from the unexpected.