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 | 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. Jane Bond: Scaling the Ladder Agent Jane Bond is on the case, uncovering the mystery of bond laddering. Problems with Probate Probate can be a completely public process, or it can be managed to include as little information as possible.