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 Question Thank you! Oops! Related Content The Cost of Procrastination Procrastination can be costly. When you get a late start, it may be difficult to make up for lost time. Understanding Extended Care Understanding the types of extended care services—and what those services could cost—may be critical. Life and Death of a Twenty Dollar Bill How long does a $20 bill last?