CPI-U in 1958
The U.S. Consumer Price Index for All Urban Consumers (CPI-U) averaged 28.9 in 1958 (1982–84 = 100), 2.8% above the 1957 average. From December 1957 to December 1958, prices rose 1.8%. Prices in August 2026 were 11.59 times their 1958 level.
Monthly CPI-U index values, 1958
The highest monthly index in 1958 was 29.0 (November), the lowest 28.6 (January). The 12-month inflation rate ranged from +1.8% in December to +3.6% in January. Historical context — Post-war stability (1953–1965): Inflation mostly stayed between 0% and 3% a year.
| Month | CPI-U index | Change from prior month | 12-month change |
|---|---|---|---|
| January 1958 | 28.6 | +0.7% | +3.6% |
| February 1958 | 28.6 | 0.0% | +3.2% |
| March 1958 | 28.8 | +0.7% | +3.6% |
| April 1958 | 28.9 | +0.3% | +3.6% |
| May 1958 | 28.9 | 0.0% | +3.2% |
| June 1958 | 28.9 | 0.0% | +2.8% |
| July 1958 | 29.0 | +0.3% | +2.5% |
| August 1958 | 28.9 | −0.3% | +2.1% |
| September 1958 | 28.9 | 0.0% | +2.1% |
| October 1958 | 28.9 | 0.0% | +2.1% |
| November 1958 | 29.0 | +0.3% | +2.1% |
| December 1958 | 28.9 | −0.3% | +1.8% |
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 28.9 as published by the BLS.
CPI 1958: common questions
What was the CPI in 1958?
The CPI-U annual average for 1958 was 28.9 on the 1982–84 = 100 base. Monthly values ranged from 28.6 to 29.0.
What was the inflation rate in 1958?
Measured by annual averages, consumer prices rose 2.8% in 1958; December to December the change was +1.8%.
How much is $100 from 1958 worth today?
About $1,159.10 in August 2026 prices, based on the change in CPI-U. Use the inflation calculator for other amounts.