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 Latte Lie and Other Myths Check out this video to begin separating fact from fiction. Life and Death of a Twenty Dollar Bill How long does a $20 bill last? Grantor Retained Annuity Trusts (GRATs) Explaining Grantor Retained Annuity Trusts (GRATs) and their benefit to estate strategy.