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 Question Thank you! Oops! Related Content Revising Estate Strategy Assumptions Estate tax exemptions rules appear to be stabilizing, prompting many to reconsider conventional estate strategies. An Inside Look at Retirement Living A number of questions and concerns need to be addressed to help you better prepare for retirement living. The Rule of 72 Do you know how long it may take for your investments to double in value? The Rule of 72 is a quick way to figure it out.