Between 1945 and 1975, the Consumer Price Index went from 18 to 53.8.
Cumulatively, prices increased 198.9%, which works out to an average of
3.72% per year. Put differently, a dollar in 1945 bought what
$0.33 buys in 1975.
Common amounts: 1945 dollars in 1975
Amount in 1945
Value in 1975
$1.00
$2.99
$5.00
$14.94
$10.00
$29.89
$20.00
$59.78
$50.00
$149
$100
$299
$500
$1,494
$1,000
$2,989
$5,000
$14,944
$10,000
$29,889
$100,000
$298,889
$1,000,000
$2,988,889
Inflation by spending category, 1945–1975
The headline number is an average. Individual categories moved very differently over this
period. Here is what $100 of 1945 spending costs in 1975, by category:
Category
Avg. yearly inflation
$100 in 1945 →
All items (CPI-U)
3.72%
$299
Medical care
4.72%
$399
Food
4.22%
$346
Transportation
3.90%
$315
Apparel
2.83%
$231
Not shown because the BLS began these indexes after 1945: core (all items less food & energy) (1957–), energy (1957–), housing (1967–), recreation (1993–), education & communication (1993–).
MLA: “Inflation from 1945 to 1975: $100 is worth $299 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1945-to-1975/
APA: InflationCalculator.com. Inflation from 1945 to 1975. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1945-to-1975/