Historical CPI · 1915

CPI-U in 1915

The U.S. Consumer Price Index for All Urban Consumers (CPI-U) averaged 10.1 in 1915 (1982–84 = 100), 1.0% above the 1914 average. From December 1914 to December 1915, prices rose 2.0%. Prices in August 2026 were 33.17 times their 1915 level.

Annual average
10.1
Inflation (annual avg)
+1.0%
Dec–Dec inflation
+2.0%
$100 in 1915 today
$3,316.63
Monthly data

Monthly CPI-U index values, 1915

The highest monthly index in 1915 was 10.3 (December), the lowest 9.9 (March). The 12-month inflation rate ranged from −1.0% in August to +2.0% in April. 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 191510.10.0%+1.0%
February 191510.0−1.0%+1.0%
March 19159.9−1.0%0.0%
April 191510.0+1.0%+2.0%
May 191510.1+1.0%+2.0%
June 191510.10.0%+2.0%
July 191510.10.0%+1.0%
August 191510.10.0%−1.0%
September 191510.10.0%−1.0%
October 191510.2+1.0%+1.0%
November 191510.3+1.0%+1.0%
December 191510.30.0%+2.0%

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 10.1 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 1915: common questions

What was the CPI in 1915?

The CPI-U annual average for 1915 was 10.1 on the 1982–84 = 100 base. Monthly values ranged from 9.9 to 10.3.

What was the inflation rate in 1915?

Measured by annual averages, consumer prices rose 1.0% in 1915; December to December the change was +2.0%.

How much is $100 from 1915 worth today?

About $3,316.63 in August 2026 prices, based on the change in CPI-U. Use the inflation calculator for other amounts.