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 Are You Ready for Your Portfolio to Make a Difference? Learn about the rise of Impact Investing and how it may benefit you. FIRE Retirement This short, informative article teaches the basics of the FIRE movement. Understanding the Alternate Valuation Date Executors can value the estate on the date of death, or on its six-month anniversary —the “Alternate Valuation Date."