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 Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year. How Stocks Work Understanding how a stock works is key to understanding your investments. Surprise! You’ve Got Money! Here’s a quick guide to checking to see if you have unclaimed money.