What is $100 in 1920 worth in 1921?

$100 in 1920 has the purchasing power of about $89.50 in 1921, based on the Consumer Price Index (CPI-U).

What was the average inflation rate between 1920 and 1921?

Prices fell 10.5% in total between 1920 and 1921, an average of -10.50% per year.

How much is $1 in 1920 worth today?

$1 in 1920 is equivalent to about $0.89 in 1921. Equivalently, a 1921 dollar buys what $1.12 bought in 1920.

U.S. inflation · 1920–1921

Value of $100 in 1920, adjusted to 1921

Amount From year To year

$100 in 1920 has the same buying power as

$89.50

in 1921

Detailed inflation statistics
Cumulative price change	-10.5%
Average inflation rate	-10.50% per year
Converted amount ($100 base)	$89.50
Price difference ($100 base)	-$10.50
CPI in 1920	20
CPI in 1921	17.9
Inflation in 1920	15.61%
Inflation in 1921	-10.50%
$100 in 1920 → 1921	$89.50
$100 in 1921 → 1920	$112

What happened to prices between 1920 and 1921

Between 1920 and 1921, the Consumer Price Index went from 20 to 17.9. Cumulatively, prices declined 10.5%, which works out to an average of -10.50% per year. Put differently, a dollar in 1920 bought what $1.12 buys in 1921.

Common amounts: 1920 dollars in 1921

Amount in 1920	Value in 1921
$1.00	$0.89
$5.00	$4.48
$10.00	$8.95
$20.00	$17.90
$50.00	$44.75
$100	$89.50
$500	$447
$1,000	$895
$5,000	$4,475
$10,000	$8,950
$100,000	$89,500
$1,000,000	$895,000

Inflation by spending category, 1920–1921

The headline number is an average. Individual categories moved very differently over this period. Here is what $100 of 1920 spending costs in 1921, by category:

Category	Avg. yearly inflation	$100 in 1920 →
All items (CPI-U)	-10.50%	$89.50
Apparel	-22.97%	$77.03
Food	-24.29%	$75.71

Not shown because the BLS began these indexes after 1920: 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 1920

Year	CPI	Inflation rate	$100 from 1920
1920	20	15.6%	$100
1921	17.9	-10.5%	$89.50

Cite this page

MLA: “Inflation from 1920 to 1921: $100 is worth $89.50 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1920-to-1921/

APA: InflationCalculator.com. Inflation from 1920 to 1921. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1920-to-1921/

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.