Between 1975 and 1979, the Consumer Price Index went from 53.8 to 72.6.
Cumulatively, prices increased 34.9%, which works out to an average of
7.78% per year. Put differently, a dollar in 1975 bought what
$0.74 buys in 1979.
Common amounts: 1975 dollars in 1979
Amount in 1975
Value in 1979
$1.00
$1.35
$5.00
$6.75
$10.00
$13.49
$20.00
$26.99
$50.00
$67.47
$100
$135
$500
$675
$1,000
$1,349
$5,000
$6,747
$10,000
$13,494
$100,000
$134,944
$1,000,000
$1,349,442
Inflation by spending category, 1975–1979
The headline number is an average. Individual categories moved very differently over this
period. Here is what $100 of 1975 spending costs in 1979, by category:
Category
Avg. yearly inflation
$100 in 1975 →
All items (CPI-U)
7.78%
$135
Energy
11.77%
$156
Medical care
9.18%
$142
Transportation
8.92%
$141
Housing
8.44%
$138
Food
7.51%
$134
Core (all items less food & energy)
7.47%
$133
Apparel
4.03%
$117
Not shown because the BLS began these indexes after 1975: recreation (1993–), education & communication (1993–).
MLA: “Inflation from 1975 to 1979: $100 is worth $135 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1975-to-1979/
APA: InflationCalculator.com. Inflation from 1975 to 1979. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1975-to-1979/