Between 1971 and 1977, the Consumer Price Index went from 40.5 to 60.6.
Cumulatively, prices increased 49.6%, which works out to an average of
6.95% per year. Put differently, a dollar in 1971 bought what
$0.67 buys in 1977.
Common amounts: 1971 dollars in 1977
Amount in 1971
Value in 1977
$1.00
$1.50
$5.00
$7.48
$10.00
$14.96
$20.00
$29.93
$50.00
$74.81
$100
$150
$500
$748
$1,000
$1,496
$5,000
$7,481
$10,000
$14,963
$100,000
$149,630
$1,000,000
$1,496,296
Inflation by spending category, 1971–1977
The headline number is an average. Individual categories moved very differently over this
period. Here is what $100 of 1971 spending costs in 1977, by category:
Category
Avg. yearly inflation
$100 in 1971 →
All items (CPI-U)
6.95%
$150
Energy
10.94%
$186
Food
8.39%
$162
Medical care
7.91%
$158
Housing
7.12%
$151
Transportation
6.92%
$149
Core (all items less food & energy)
6.12%
$143
Apparel
4.29%
$129
Not shown because the BLS began these indexes after 1971: recreation (1993–), education & communication (1993–).
MLA: “Inflation from 1971 to 1977: $100 is worth $150 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1971-to-1977/
APA: InflationCalculator.com. Inflation from 1971 to 1977. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1971-to-1977/