Between 1975 and 1985, the Consumer Price Index went from 53.8 to 107.6.
Cumulatively, prices increased 100.0%, which works out to an average of
7.18% per year. Put differently, a dollar in 1975 bought what
$0.50 buys in 1985.
Common amounts: 1975 dollars in 1985
Amount in 1975
Value in 1985
$1.00
$2.00
$5.00
$10.00
$10.00
$20.00
$20.00
$40.00
$50.00
$100
$100
$200
$500
$1,000
$1,000
$2,000
$5,000
$10,000
$10,000
$20,000
$100,000
$200,000
$1,000,000
$2,000,000
Inflation by spending category, 1975–1985
The headline number is an average. Individual categories moved very differently over this
period. Here is what $100 of 1975 spending costs in 1985, by category:
Category
Avg. yearly inflation
$100 in 1975 →
All items (CPI-U)
7.18%
$200
Energy
9.21%
$241
Medical care
9.10%
$239
Housing
7.83%
$212
Transportation
7.82%
$212
Core (all items less food & energy)
7.31%
$202
Food
5.85%
$177
Apparel
3.77%
$145
Not shown because the BLS began these indexes after 1975: recreation (1993–), education & communication (1993–).
MLA: “Inflation from 1975 to 1985: $100 is worth $200 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1975-to-1985/
APA: InflationCalculator.com. Inflation from 1975 to 1985. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1975-to-1985/