An index of the cost of all goods and services to a typical consumer, calculated and published by the United States Bureau of Labor Statistics; abbreviated CPI, and usually referred to by that acronym. The Bureau maintains several indices for different groups of consumers, but the most commonly referred to is the index for "All urban consumers", called the CPI-U. The increase of this value each year is one measure of monetary inflation.
The most widely known of many such measures of price levels and inflation that are reported to the U.S. government. It measures and compares, from month to month, the total cost of a statistically determined "typical market basket" of goods and services consumed by U.S. households.
( CPI) The CPI measures the prices of consumer goods and services and is a measure of the pace of U.S. inflation. The U.S. Department of Labor publishes the CPI every month.