Historical CPI · 1913

CPI-U in 1913

The U.S. Consumer Price Index for All Urban Consumers (CPI-U) averaged 9.9 in 1913 (1982–84 = 100). Prices in August 2026 were 33.84 times their 1913 level.

Annual average
9.9
Inflation (annual avg)
—
Dec–Dec inflation
—
$100 in 1913 today
$3,383.64
Monthly data

Monthly CPI-U index values, 1913

The highest monthly index in 1913 was 10.1 (November), the lowest 9.7 (May). Historical context — Pre-war stability (1913–1916): Prices were broadly flat before the United States entered World War I.

MonthCPI-U indexChange from prior month12-month change
January 19139.8——
February 19139.80.0%—
March 19139.80.0%—
April 19139.80.0%—
May 19139.7−1.0%—
June 19139.8+1.0%—
July 19139.9+1.0%—
August 19139.90.0%—
September 191310.0+1.0%—
October 191310.00.0%—
November 191310.1+1.0%—
December 191310.0−1.0%—

CPI-U, U.S. city average, all items, not seasonally adjusted, 1982–84 = 100 (BLS series CUUR0000SA0). Before 2007 the BLS published the index to one decimal place. Annual average 9.9 as published by the BLS.

Decade

CPI by year, 1910s

YearAnnual average CPI-UInflation rate
19139.9—
191410.0+1.0%
191510.1+1.0%
191610.9+7.9%
191712.8+17.4%
191815.1+18.0%
191917.3+14.6%
FAQ

CPI 1913: common questions

What was the CPI in 1913?

The CPI-U annual average for 1913 was 9.9 on the 1982–84 = 100 base. Monthly values ranged from 9.7 to 10.1.

What was the inflation rate in 1913?

Not available for the first year of the series.

How much is $100 from 1913 worth today?

About $3,383.64 in August 2026 prices, based on the change in CPI-U. Use the inflation calculator for other amounts.