U.S. inflation · 1975–2021

Value of $100 in 1975, adjusted to 2021

$100 in 1975 has the same buying power as

$504

in 2021

$100$302$50419751987199820102021$100 · 1975$504 · 2021
Detailed inflation statistics
Cumulative price change403.7%
Average inflation rate3.58% per year
Converted amount ($100 base)$504
Price difference ($100 base)$404
CPI in 197553.8
CPI in 2021270.97
Inflation in 19759.13%
Inflation in 20214.70%
$100 in 19752021$504
$100 in 20211975$19.85

What happened to prices between 1975 and 2021

Between 1975 and 2021, the Consumer Price Index went from 53.8 to 270.97. Cumulatively, prices increased 403.7%, which works out to an average of 3.58% per year. Put differently, a dollar in 1975 bought what $0.20 buys in 2021.

Common amounts: 1975 dollars in 2021

Amount in 1975Value in 2021
$1.00$5.04
$5.00$25.18
$10.00$50.37
$20.00$101
$50.00$252
$100$504
$500$2,518
$1,000$5,037
$5,000$25,183
$10,000$50,366
$100,000$503,662
$1,000,000$5,036,617

Inflation by spending category, 1975–2021

The headline number is an average. Individual categories moved very differently over this period. Here is what $100 of 1975 spending costs in 2021, by category:

Category Avg. yearly inflation $100 in 1975 →
All items (CPI-U) 3.58% $504
Medical care 5.36% $1,106
Energy 3.84% $566
Housing 3.79% $554
Core (all items less food & energy) 3.62% $514
Food 3.39% $464
Transportation 3.38% $460
Apparel 1.12% $167

Not shown because the BLS began these indexes after 1975: recreation (1993–), education & communication (1993–).

Year by year: CPI and the value of $100 from 1975

Year CPI Inflation rate $100 from 1975
1975 53.8 9.1% $100
1977 60.6 6.5% $113
1979 72.6 11.3% $135
1981 90.9 10.3% $169
1983 99.6 3.2% $185
1985 107.6 3.6% $200
1987 113.6 3.6% $211
1989 124 4.8% $230
1991 136.2 4.2% $253
1993 144.5 3.0% $269
1995 152.4 2.8% $283
1997 160.5 2.3% $298
1999 166.6 2.2% $310
2001 177.1 2.8% $329
2003 184 2.3% $342
2005 195.3 3.4% $363
2007 207.342 2.8% $385
2009 214.537 -0.4% $399
2011 224.939 3.2% $418
2013 232.957 1.5% $433
2015 237.017 0.1% $441
2017 245.12 2.1% $456
2019 255.657 1.8% $475
2021 270.97 4.7% $504

Long periods are sampled every 2 years; the calculator above covers any pair of years.

Cite this page

MLA: “Inflation from 1975 to 2021: $100 is worth $504 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1975-to-2021/

APA: InflationCalculator.com. Inflation from 1975 to 2021. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1975-to-2021/

Source: U.S. Bureau of Labor Statistics, CPI-U annual averages (series CUUR0000SA0; category indexes listed on the data sources page). See how these numbers are calculated.