Contributing to an IRA? Determine if you are eligible to contribute to a traditional or Roth IRA. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Share | Related Content Should I Invest in Gold? Learning more about gold and its history may help you decide whether it has a place in your portfolio. Asset Allocation Consider how your assets are allocated and if that allocation is consistent with your time frame and risk tolerance. Keys to Investing for Retirement There are some key concepts to understand when investing for retirement.