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 Net Unrealized Appreciation (NUA) Explained Have you considered the special tax treatment on company stock held in a 401(k) plan? How Big is Money? Learn a little about worldwide currency in this fun infographic Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year.