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. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content The ABCs of Zero Coupon Bonds Understanding some basic concepts may help you assess whether zero-coupon bonds have a place in your portfolio. Bull and Bear Go To Market Learn about the difference between bulls and bears—markets, that is! Should I Pay Off Debt or Invest? This calculator will help determine whether you should invest funds or pay down debt.