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 Value of Planning as Retirement Approaches Don’t wait until you’ve reached the point where you feel pressured to make major retirement decisions. Put It in a Letter A letter of instruction provides additional and more personal information regarding your estate. The Cycle of Investing Understanding the cycle of investing may help you avoid easy pitfalls.