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! Related Content Life and Death of a Twenty Dollar Bill How long does a $20 bill last? Rightsizing for Retirement What does your home really cost? Is Your Financial House Haunted? It’s nighttime, and you’re walking down a long, dark hallway with only a flashlight to guide you. Suddenly the light falls upon a horrifying sight — is it a creepy clown? Or a flesh-eating zombie? Oh no, it’s something far more ghastly.