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 How to Read Your Credit Report Solve a mystery while learning how important your credit report is with this story-driven interactive. Fixed or Variable Mortgage, Which Should You Pick? When selecting a mortgage, one of the most critical choices is between a fixed or variable interest-rate mortgage. The Utility of Sector Investing Successful sector investing is dependent upon an accurate analysis about when to rotate in and out.