Between 1998 and 2021, the Consumer Price Index went from 163 to 270.97.
Cumulatively, prices increased 66.2%, which works out to an average of
2.23% per year. Put differently, a dollar in 1998 bought what
$0.60 buys in 2021.
Common amounts: 1998 dollars in 2021
Amount in 1998
Value in 2021
$1.00
$1.66
$5.00
$8.31
$10.00
$16.62
$20.00
$33.25
$50.00
$83.12
$100
$166
$500
$831
$1,000
$1,662
$5,000
$8,312
$10,000
$16,624
$100,000
$166,239
$1,000,000
$1,662,393
Inflation by spending category, 1998–2021
The headline number is an average. Individual categories moved very differently over this
period. Here is what $100 of 1998 spending costs in 2021, by category:
MLA: “Inflation from 1998 to 2021: $100 is worth $166 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1998-to-2021/
APA: InflationCalculator.com. Inflation from 1998 to 2021. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1998-to-2021/