在這裡，你可以看到，美元在一段時間內改變了它的價值。
There are often discussions if things were more or less expensive in the past and then you can get a quick answer here. Price Index Calculator shows US dollar value from year 1913 to 2017.
Here you can see what grandfather's first 26-inch color TV purchased in 1974 for $800 would have cost today.
The calculator calculates how the inflation has affected the value of money and prices in U.S. over time.
Tip: The years can be scrolled back and forward with the scroll wheels alternatively be entered using the keyboard. You can also press and hold the bottom edge of the wheels to scroll the years fast forward.
Price Index Calculator is based on statistics from Consumer Price Index (CPI-U) data provided by the U.S. Department of Labor Bureau of Labor Statistic.