What is $100 in 1929 worth in 1931?

$100 in 1929 has the purchasing power of about $88.89 in 1931, based on the Consumer Price Index (CPI-U).

What was the average inflation rate between 1929 and 1931?

Prices fell 11.1% in total between 1929 and 1931, an average of -5.72% per year.

How much is $1 in 1929 worth today?

$1 in 1929 is equivalent to about $0.89 in 1931. Equivalently, a 1931 dollar buys what $1.13 bought in 1929.

U.S. inflation · 1929–1931

Value of $100 in 1929, adjusted to 1931

Amount From year To year

$100 in 1929 has the same buying power as

$88.89

in 1931

Detailed inflation statistics
Cumulative price change	-11.1%
Average inflation rate	-5.72% per year
Converted amount ($100 base)	$88.89
Price difference ($100 base)	-$11.11
CPI in 1929	17.1
CPI in 1931	15.2
Inflation in 1929	0.00%
Inflation in 1931	-8.98%
$100 in 1929 → 1931	$88.89
$100 in 1931 → 1929	$113

What happened to prices between 1929 and 1931

Between 1929 and 1931, the Consumer Price Index went from 17.1 to 15.2. Cumulatively, prices declined 11.1%, which works out to an average of -5.72% per year. Put differently, a dollar in 1929 bought what $1.13 buys in 1931.

Common amounts: 1929 dollars in 1931

Amount in 1929	Value in 1931
$1.00	$0.89
$5.00	$4.44
$10.00	$8.89
$20.00	$17.78
$50.00	$44.44
$100	$88.89
$500	$444
$1,000	$889
$5,000	$4,444
$10,000	$8,889
$100,000	$88,889
$1,000,000	$888,889

Inflation by spending category, 1929–1931

The headline number is an average. Individual categories moved very differently over this period. Here is what $100 of 1929 spending costs in 1931, by category:

Category	Avg. yearly inflation	$100 in 1929 →
All items (CPI-U)	-5.72%	$88.89
Apparel	-5.62%	$89.07
Food	-11.58%	$78.18

Not shown because the BLS began these indexes after 1929: 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 1929

Year	CPI	Inflation rate	$100 from 1929
1929	17.1	0.0%	$100
1930	16.7	-2.3%	$97.66
1931	15.2	-9.0%	$88.89

Cite this page

MLA: “Inflation from 1929 to 1931: $100 is worth $88.89 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1929-to-1931/

APA: InflationCalculator.com. Inflation from 1929 to 1931. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1929-to-1931/

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.