Historical CPI · 1927

CPI-U in 1927

The U.S. Consumer Price Index for All Urban Consumers (CPI-U) averaged 17.4 in 1927 (1982–84 = 100), 1.7% below the 1926 average. From December 1926 to December 1927, prices fell 2.3%. Prices in August 2026 were 19.25 times their 1927 level.

Annual average
17.4
Inflation (annual avg)
−1.7%
Dec–Dec inflation
−2.3%
$100 in 1927 today
$1,925.17
Monthly data

Monthly CPI-U index values, 1927

The highest monthly index in 1927 was 17.6 (June), the lowest 17.2 (August). The 12-month inflation rate ranged from −3.4% in April to −0.6% in June. Historical context — The 1920s (1923–1929): Prices were nearly flat through the Roaring Twenties.

MonthCPI-U indexChange from prior month12-month change
January 192717.5−1.1%−2.2%
February 192717.4−0.6%−2.8%
March 192717.3−0.6%−2.8%
April 192717.30.0%−3.4%
May 192717.4+0.6%−2.2%
June 192717.6+1.1%−0.6%
July 192717.3−1.7%−1.1%
August 192717.2−0.6%−1.1%
September 192717.3+0.6%−1.1%
October 192717.4+0.6%−1.1%
November 192717.3−0.6%−2.3%
December 192717.30.0%−2.3%

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 17.4 as published by the BLS.

Decade

CPI by year, 1920s

YearAnnual average CPI-UInflation rate
192020.0+15.6%
192117.9−10.5%
192216.8−6.1%
192317.1+1.8%
192417.10.0%
192517.5+2.3%
192617.7+1.1%
192717.4−1.7%
192817.1−1.7%
192917.10.0%
FAQ

CPI 1927: common questions

What was the CPI in 1927?

The CPI-U annual average for 1927 was 17.4 on the 1982–84 = 100 base. Monthly values ranged from 17.2 to 17.6.

What was the inflation rate in 1927?

Measured by annual averages, consumer prices fell 1.7% in 1927; December to December the change was −2.3%.

How much is $100 from 1927 worth today?

About $1,925.17 in August 2026 prices, based on the change in CPI-U. Use the inflation calculator for other amounts.