Historical CPI · 1970

CPI-U in 1970

The U.S. Consumer Price Index for All Urban Consumers (CPI-U) averaged 38.8 in 1970 (1982–84 = 100), 5.7% above the 1969 average. From December 1969 to December 1970, prices rose 5.6%. Prices in August 2026 were 8.63 times their 1970 level.

Annual average
38.8
Inflation (annual avg)
+5.7%
Dec–Dec inflation
+5.6%
$100 in 1970 today
$863.35
Monthly data

Monthly CPI-U index values, 1970

The highest monthly index in 1970 was 39.8 (December), the lowest 37.8 (January). The 12-month inflation rate ranged from +5.4% in August to +6.2% in January. Historical context — Rising inflation (1966–1972): Vietnam War and Great Society spending pushed inflation higher; President Nixon imposed wage and price controls in 1971.

MonthCPI-U indexChange from prior month12-month change
January 197037.8+0.3%+6.2%
February 197038.0+0.5%+6.1%
March 197038.2+0.5%+5.8%
April 197038.5+0.8%+6.1%
May 197038.6+0.3%+6.0%
June 197038.8+0.5%+6.0%
July 197039.0+0.5%+6.0%
August 197039.00.0%+5.4%
September 197039.2+0.5%+5.7%
October 197039.4+0.5%+5.6%
November 197039.6+0.5%+5.6%
December 197039.8+0.5%+5.6%

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 38.8 as published by the BLS.

Decade

CPI by year, 1970s

YearAnnual average CPI-UInflation rate
197038.8+5.7%
197140.5+4.4%
197241.8+3.2%
197344.4+6.2%
197449.3+11.0%
197553.8+9.1%
197656.9+5.8%
197760.6+6.5%
197865.2+7.6%
197972.6+11.3%
FAQ

CPI 1970: common questions

What was the CPI in 1970?

The CPI-U annual average for 1970 was 38.8 on the 1982–84 = 100 base. Monthly values ranged from 37.8 to 39.8.

What was the inflation rate in 1970?

Measured by annual averages, consumer prices rose 5.7% in 1970; December to December the change was +5.6%.

How much is $100 from 1970 worth today?

About $863.35 in August 2026 prices, based on the change in CPI-U. Use the inflation calculator for other amounts.