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. Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content The Richest Man in Babylon In good times and bad, consistently saving a percentage of your income is a sound financial practice. Required Reading: The Economic Report of the President The Economic Report of the President can help identify the forces driving — or dragging — the economy. A Brief History of Estate Taxes Federal estate taxes have long since been a lucrative source of funding for the federal government.