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 When Should You Take Social Security Monthly Social Security payments differ substantially depending on when you start receiving benefits. 3 Questions to Consider About Whole Life Insurance Whole Life insurance: Protection, supplement income in retirement and stable, predictable cash value Valuing Your Work as a Stay-at-Home Parent It's important to insure the life of a stay-at-home parent to protect the value they bring to the family.