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 Question Thank you! Oops! Free Guide: Will Tax Reform Impact You? The new tax laws in 2018 could bring significant changes to your tax strategy. Download our free ebook, "5 Things You Need to Know About Tax Reform." First Name Last Name Email Address Thank you! Oops! Related Contents Surprise! You’ve Got Money! Here’s a quick guide to checking to see if you have unclaimed money. Life and Death of a Twenty Dollar Bill How long does a $20 bill last? Your Cash Flow Statement A presentation about managing money: using it, saving it, and even getting credit.