Between 2017 and 2021, the Consumer Price Index went from 245.12 to 270.97.
Cumulatively, prices increased 10.5%, which works out to an average of
2.54% per year. Put differently, a dollar in 2017 bought what
$0.90 buys in 2021.
Common amounts: 2017 dollars in 2021
Amount in 2017
Value in 2021
$1.00
$1.11
$5.00
$5.53
$10.00
$11.05
$20.00
$22.11
$50.00
$55.27
$100
$111
$500
$553
$1,000
$1,105
$5,000
$5,527
$10,000
$11,055
$100,000
$110,546
$1,000,000
$1,105,459
Inflation by spending category, 2017–2021
The headline number is an average. Individual categories moved very differently over this
period. Here is what $100 of 2017 spending costs in 2021, by category:
MLA: “Inflation from 2017 to 2021: $100 is worth $111 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/2017-to-2021/
APA: InflationCalculator.com. Inflation from 2017 to 2021. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/2017-to-2021/