U.S. inflation · 1931–2001

Value of $100 in 1931, adjusted to 2001

$100 in 1931 has the same buying power as

$1,165

in 2001

$86$625$1.2k19311949196619842001$100 · 1931$1.2k · 2001
Detailed inflation statistics
Cumulative price change1065.1%
Average inflation rate3.57% per year
Converted amount ($100 base)$1,165
Price difference ($100 base)$1,065
CPI in 193115.2
CPI in 2001177.1
Inflation in 1931-8.98%
Inflation in 20012.85%
$100 in 19312001$1,165
$100 in 20011931$8.58

What happened to prices between 1931 and 2001

Between 1931 and 2001, the Consumer Price Index went from 15.2 to 177.1. Cumulatively, prices increased 1065.1%, which works out to an average of 3.57% per year. Put differently, a dollar in 1931 bought what $0.09 buys in 2001.

Common amounts: 1931 dollars in 2001

Amount in 1931Value in 2001
$1.00$11.65
$5.00$58.26
$10.00$117
$20.00$233
$50.00$583
$100$1,165
$500$5,826
$1,000$11,651
$5,000$58,257
$10,000$116,513
$100,000$1,165,132
$1,000,000$11,651,316

Inflation by spending category, 1931–2001

The headline number is an average. Individual categories moved very differently over this period. Here is what $100 of 1931 spending costs in 2001, by category:

Category Avg. yearly inflation $100 in 1931 →
All items (CPI-U) 3.57% $1,165
Food 3.78% $1,342
Apparel 2.54% $579

Not shown because the BLS began these indexes after 1931: core (all items less food & energy) (1957–), energy (1957–), housing (1967–), medical care (1935–), transportation (1935–), recreation (1993–), education & communication (1993–).

Year by year: CPI and the value of $100 from 1931

Year CPI Inflation rate $100 from 1931
1931 15.2 -9.0% $100
1936 13.9 1.5% $91.45
1941 14.7 5.0% $96.71
1946 19.5 8.3% $128
1951 26 7.9% $171
1956 27.2 1.5% $179
1961 29.9 1.0% $197
1966 32.4 2.9% $213
1971 40.5 4.4% $266
1976 56.9 5.8% $374
1981 90.9 10.3% $598
1986 109.6 1.9% $721
1991 136.2 4.2% $896
1996 156.9 3.0% $1,032
2001 177.1 2.8% $1,165

Long periods are sampled every 5 years; the calculator above covers any pair of years.

Cite this page

MLA: “Inflation from 1931 to 2001: $100 is worth $1,165 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1931-to-2001/

APA: InflationCalculator.com. Inflation from 1931 to 2001. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1931-to-2001/

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.