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 Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates. Stop Wasting Money One way to find money is to examine your current spending habits and eliminate money wasters. A Brief History of Estate Taxes Federal estate taxes have long since been a lucrative source of funding for the federal government.