Between 1998 and 2018, the Consumer Price Index went from 163 to 251.107.
Cumulatively, prices increased 54.1%, which works out to an average of
2.18% per year. Put differently, a dollar in 1998 bought what
$0.65 buys in 2018.
Common amounts: 1998 dollars in 2018
Amount in 1998
Value in 2018
$1.00
$1.54
$5.00
$7.70
$10.00
$15.41
$20.00
$30.81
$50.00
$77.03
$100
$154
$500
$770
$1,000
$1,541
$5,000
$7,703
$10,000
$15,405
$100,000
$154,053
$1,000,000
$1,540,534
Inflation by spending category, 1998–2018
The headline number is an average. Individual categories moved very differently over this
period. Here is what $100 of 1998 spending costs in 2018, by category:
MLA: “Inflation from 1998 to 2018: $100 is worth $154 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1998-to-2018/
APA: InflationCalculator.com. Inflation from 1998 to 2018. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1998-to-2018/