Between 1966 and 1978, the Consumer Price Index went from 32.4 to 65.2.
Cumulatively, prices increased 101.2%, which works out to an average of
6.00% per year. Put differently, a dollar in 1966 bought what
$0.50 buys in 1978.
Common amounts: 1966 dollars in 1978
Amount in 1966
Value in 1978
$1.00
$2.01
$5.00
$10.06
$10.00
$20.12
$20.00
$40.25
$50.00
$101
$100
$201
$500
$1,006
$1,000
$2,012
$5,000
$10,062
$10,000
$20,123
$100,000
$201,235
$1,000,000
$2,012,346
Inflation by spending category, 1966–1978
The headline number is an average. Individual categories moved very differently over this
period. Here is what $100 of 1966 spending costs in 1978, by category:
Category
Avg. yearly inflation
$100 in 1966 →
All items (CPI-U)
6.00%
$201
Medical care
7.38%
$235
Energy
7.00%
$225
Food
6.50%
$213
Core (all items less food & energy)
5.75%
$196
Transportation
5.54%
$191
Apparel
4.32%
$166
Not shown because the BLS began these indexes after 1966: housing (1967–), recreation (1993–), education & communication (1993–).
MLA: “Inflation from 1966 to 1978: $100 is worth $201 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1966-to-1978/
APA: InflationCalculator.com. Inflation from 1966 to 1978. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1966-to-1978/