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 All Under One Roof Consolidating your assets onto one platform can reap multiple benefits. The Mattress Dilemma: Where to Stash Your Savings? Americans are saving more these days.1 Especially millennials. We know why to save: For emergencies, for retirement, to afford big-ticket dreams like home ownership or opening a business. But how to save is another matter. You May Need to Make Estimated Tax Payments If… Have income that isn’t subject to tax withholding? Or insufficient withholdings? You may have to pay estimated taxes.