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 How Income Taxes Work A quick look at how federal income taxes work. Taxable vs. Tax-Deferred Savings Use this calculator to compare the future value of investments with different tax consequences. The Cycle of Investing Understanding the cycle of investing may help you avoid easy pitfalls.