Historical Inflation This calculator shows how inflation over the years has impacted purchasing power. 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 RE: Retirement How does your ideal retirement differ from reality, and what can we do to better align the two? Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates. IRA Withdrawals that Escape the 10% Tax Penalty The list of IRA withdrawals that may be taken without incurring a 10% early penalty has grown.