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 Buying Auto Insurance For Teen Drivers Tips on insuring your teen driver. Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one. The Utility of Sector Investing Successful sector investing is dependent upon an accurate analysis about when to rotate in and out.