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 Consider Keeping Your Life Insurance When You Retire Reasons to retain your coverage into your retirement years. Eight Mistakes That Can Upend Your Retirement There are common mistakes you can avoid when saving for retirement. Yours, Mine, and Ours: Estate Strategies for Second Marriage Second marriages are a trigger event to revisit any existing estate strategies.