CPI-U in 1930
The U.S. Consumer Price Index for All Urban Consumers (CPI-U) averaged 16.7 in 1930 (1982–84 = 100), 2.3% below the 1929 average. From December 1929 to December 1930, prices fell 6.4%. Prices in August 2026 were 20.06 times their 1930 level.
Monthly CPI-U index values, 1930
The highest monthly index in 1930 was 17.1 (January), the lowest 16.1 (December). The 12-month inflation rate ranged from −6.4% in December to +0.6% in April. Historical context — Great Depression deflation (1930–1933): The price level fell by about a quarter as demand collapsed and banks failed.
| Month | CPI-U index | Change from prior month | 12-month change |
|---|---|---|---|
| January 1930 | 17.1 | −0.6% | 0.0% |
| February 1930 | 17.0 | −0.6% | −0.6% |
| March 1930 | 16.9 | −0.6% | −0.6% |
| April 1930 | 17.0 | +0.6% | +0.6% |
| May 1930 | 16.9 | −0.6% | −0.6% |
| June 1930 | 16.8 | −0.6% | −1.8% |
| July 1930 | 16.6 | −1.2% | −4.0% |
| August 1930 | 16.5 | −0.6% | −4.6% |
| September 1930 | 16.6 | +0.6% | −4.0% |
| October 1930 | 16.5 | −0.6% | −4.6% |
| November 1930 | 16.4 | −0.6% | −5.2% |
| December 1930 | 16.1 | −1.8% | −6.4% |
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 16.7 as published by the BLS.
CPI 1930: common questions
What was the CPI in 1930?
The CPI-U annual average for 1930 was 16.7 on the 1982–84 = 100 base. Monthly values ranged from 16.1 to 17.1.
What was the inflation rate in 1930?
Measured by annual averages, consumer prices fell 2.3% in 1930; December to December the change was −6.4%.
How much is $100 from 1930 worth today?
About $2,005.87 in August 2026 prices, based on the change in CPI-U. Use the inflation calculator for other amounts.