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 The Utility of Sector Investing Successful sector investing is dependent upon an accurate analysis about when to rotate in and out. 9 Facts About Social Security There are things about Social Security that might surprise you. Life and Death of a Twenty Dollar Bill How long does a $20 bill last?