Inflation & Retirement Estimate how much income may be needed at retirement to maintain your standard of living. 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. What's My Potential Estate Tax? This calculator helps estimate your federal estate tax liability. What Is the Dividend Yield? This calculator helps determine your pre-tax and after-tax dividend yield on a particular stock.