Between 1971 and 1978, the Consumer Price Index went from 40.5 to 65.2.
Cumulatively, prices increased 61.0%, which works out to an average of
7.04% per year. Put differently, a dollar in 1971 bought what
$0.62 buys in 1978.
Common amounts: 1971 dollars in 1978
Amount in 1971
Value in 1978
$1.00
$1.61
$5.00
$8.05
$10.00
$16.10
$20.00
$32.20
$50.00
$80.49
$100
$161
$500
$805
$1,000
$1,610
$5,000
$8,049
$10,000
$16,099
$100,000
$160,988
$1,000,000
$1,609,877
Inflation by spending category, 1971–1978
The headline number is an average. Individual categories moved very differently over this
period. Here is what $100 of 1971 spending costs in 1978, by category:
Category
Avg. yearly inflation
$100 in 1971 →
All items (CPI-U)
7.04%
$161
Energy
10.26%
$198
Food
8.61%
$178
Medical care
7.98%
$171
Housing
7.34%
$164
Transportation
6.58%
$156
Core (all items less food & energy)
6.30%
$153
Apparel
4.18%
$133
Not shown because the BLS began these indexes after 1971: recreation (1993–), education & communication (1993–).
MLA: “Inflation from 1971 to 1978: $100 is worth $161 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1971-to-1978/
APA: InflationCalculator.com. Inflation from 1971 to 1978. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1971-to-1978/