Between 1970 and 1987, the Consumer Price Index went from 38.8 to 113.6.
Cumulatively, prices increased 192.8%, which works out to an average of
6.52% per year. Put differently, a dollar in 1970 bought what
$0.34 buys in 1987.
Common amounts: 1970 dollars in 1987
Amount in 1970
Value in 1987
$1.00
$2.93
$5.00
$14.64
$10.00
$29.28
$20.00
$58.56
$50.00
$146
$100
$293
$500
$1,464
$1,000
$2,928
$5,000
$14,639
$10,000
$29,278
$100,000
$292,784
$1,000,000
$2,927,835
Inflation by spending category, 1970–1987
The headline number is an average. Individual categories moved very differently over this
period. Here is what $100 of 1970 spending costs in 1987, by category:
Category
Avg. yearly inflation
$100 in 1970 →
All items (CPI-U)
6.52%
$293
Medical care
8.21%
$383
Energy
7.60%
$347
Housing
6.96%
$314
Core (all items less food & energy)
6.46%
$290
Food
6.45%
$290
Transportation
6.27%
$281
Apparel
3.74%
$187
Not shown because the BLS began these indexes after 1970: recreation (1993–), education & communication (1993–).
MLA: “Inflation from 1970 to 1987: $100 is worth $293 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1970-to-1987/
APA: InflationCalculator.com. Inflation from 1970 to 1987. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1970-to-1987/