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 Saving for Retirement This calculator can help you estimate how much you may need to save for retirement. How Stocks Work Understanding how a stock works is key to understanding your investments. 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.