CPI-U in 2011
The U.S. Consumer Price Index for All Urban Consumers (CPI-U) averaged 224.939 in 2011 (1982–84 = 100), 3.2% above the 2010 average. From December 2010 to December 2011, prices rose 3.0%. Prices in August 2026 were 1.49 times their 2011 level.
Monthly CPI-U index values, 2011
The highest monthly index in 2011 was 226.889 (September), the lowest 220.223 (January). The 12-month inflation rate ranged from +1.6% in January to +3.9% in September. Historical context — The low-inflation decade (2010–2020): Inflation mostly ran below 2.5% a year.
| Month | CPI-U index | Change from prior month | 12-month change |
|---|---|---|---|
| January 2011 | 220.223 | +0.5% | +1.6% |
| February 2011 | 221.309 | +0.5% | +2.1% |
| March 2011 | 223.467 | +1.0% | +2.7% |
| April 2011 | 224.906 | +0.6% | +3.2% |
| May 2011 | 225.964 | +0.5% | +3.6% |
| June 2011 | 225.722 | −0.1% | +3.6% |
| July 2011 | 225.922 | +0.1% | +3.6% |
| August 2011 | 226.545 | +0.3% | +3.8% |
| September 2011 | 226.889 | +0.2% | +3.9% |
| October 2011 | 226.421 | −0.2% | +3.5% |
| November 2011 | 226.230 | −0.1% | +3.4% |
| December 2011 | 225.672 | −0.2% | +3.0% |
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 224.939 as published by the BLS.
CPI 2011: common questions
What was the CPI in 2011?
The CPI-U annual average for 2011 was 224.939 on the 1982–84 = 100 base. Monthly values ranged from 220.223 to 226.889.
What was the inflation rate in 2011?
Measured by annual averages, consumer prices rose 3.2% in 2011; December to December the change was +3.0%.
How much is $100 from 2011 worth today?
About $148.92 in August 2026 prices, based on the change in CPI-U. Use the inflation calculator for other amounts.