Educational supplies priced at $100 in 2018 $98.34 in 2021

Educational Supplies Inflation Calculator

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Prices for Educational Supplies, 2018-2021 ($100)

According to the U.S. Bureau of Labor Statistics, prices for educational books and supplies were 1.66% lower in 2021 versus 2018 (a $1.66 difference in value).

Between 2018 and 2021: Educational supplies experienced an average inflation rate of -0.56% per year. In other words, educational supplies costing $100 in the year 2018 would cost $98.34 in 2021 for an equivalent purchase. Compared to the overall inflation rate of 1.37% during this same period, inflation for educational supplies was lower.

In the year 2018: Pricing changed by 0.96%, which is above the average yearly change for educational supplies during the 2018-2021 time period. Compared to inflation for all items in 2018 (2.44%), inflation for educational supplies was lower.

Price Inflation for Educational books and supplies since 1967

Consumer Price Index, U.S. Bureau of Labor Statistics
Years with the largest changes in pricing: 1982 (13.30%), 1981 (12.43%), and 1983 (10.31%).

Raw Consumer Price Index data from U.S. Bureau of Labor Statistics for Educational books and supplies:

Year 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021
CPI 33.685 35.446 37.400 38.785 41.431 44.154 45.569 47.223 50.277 53.654 56.900 61.623 65.692 71.392 80.269 90.946 100.323 108.738 118.200 128.115 138.123 148.092 158.023 171.292 180.285 190.338 197.577 205.515 214.400 226.923 238.408 250.754 261.708 279.885 295.908 317.554 335.400 351.023 365.638 388.892 420.418 450.187 482.072 505.569 529.545 562.555 594.710 615.447 648.165 678.783 689.453 696.102 685.365 677.716 684.568

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Buying power of $100 since 2018

Below are calculations of equivalent buying power for Educational supplies, over time, for $100 beginning in 2018. Each of the amounts below is equivalent in terms of what it could buy at the time:

Year USD Value Inflation Rate
2018 $100.00 0.96%
2019 $98.46 -1.54%
2020 $97.36 -1.12%
2021 $98.34 1.01%*
* Not final. See inflation summary for latest details.

How to calculate the inflation rate for educational supplies, 2018-2021

Start with the inflation rate formula:

CPI in 2021 / CPI in 2018 * 2018 USD value = 2021 USD value

Then plug in historical CPI values from above. The CPI for Educational books and supplies was 696.102 in the year 2018 and 684.568 in 2021:

684.568 / 696.102 * $100 = $98.34

Therefore, according to U.S. Bureau of Labor Statistics, $100 in 2018 has the same "purchasing power" as $98.34 in 2021 (in the CPI category of Educational books and supplies).


Source: U.S. Bureau of Labor Statistics began tracking the Consumer Price Index for Educational books and supplies in 1967. In addition to educational supplies, the index produces monthly data on changes in prices paid by urban consumers for a variety of goods and services.

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