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. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content When Special Care Is Needed: The Special Needs Trust A special needs trust helps care for a special needs child when you’re gone. Don’t Get Trapped by These Retirement Myths Have you been making correct assumptions about financial planning for retirement? Here are some popular retirement myths. Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns.