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 Question 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. Choosing a Business Structure Entrepreneurs all face the same question, “Which business structure should I adopt?” Disability Income This calculator estimates your chances of becoming disabled and your potential need for disability insurance.