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 Put It in a Letter A letter of instruction provides additional and more personal information regarding your estate. A Look at Systematic Withdrawals This calculator may help you estimate how long funds may last given regular withdrawals. How Will Working Affect Social Security Benefits? Knowing the rules may help you decide when to start benefits.