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 Roth 401(k) vs. Traditional 401(k) This calculator compares employee contributions to a Roth 401(k) and a traditional 401(k). The Importance of Business Valuation You know your company inside and out. But do you know how much it’s actually worth on the open market? How Can I Be a Confident Spender in Retirement? Imagine you’ve been invited to go paragliding. It’s your first time and you’ve bought a top-of-the-line paraglider.