Between 1956 and 1986, the Consumer Price Index went from 27.2 to 109.6.
Cumulatively, prices increased 302.9%, which works out to an average of
4.75% per year. Put differently, a dollar in 1956 bought what
$0.25 buys in 1986.
Common amounts: 1956 dollars in 1986
Amount in 1956
Value in 1986
$1.00
$4.03
$5.00
$20.15
$10.00
$40.29
$20.00
$80.59
$50.00
$201
$100
$403
$500
$2,015
$1,000
$4,029
$5,000
$20,147
$10,000
$40,294
$100,000
$402,941
$1,000,000
$4,029,412
Inflation by spending category, 1956–1986
The headline number is an average. Individual categories moved very differently over this
period. Here is what $100 of 1956 spending costs in 1986, by category:
Category
Avg. yearly inflation
$100 in 1956 →
All items (CPI-U)
4.75%
$403
Medical care
6.41%
$646
Transportation
4.65%
$390
Food
4.63%
$389
Apparel
2.99%
$242
Not shown because the BLS began these indexes after 1956: core (all items less food & energy) (1957–), energy (1957–), housing (1967–), recreation (1993–), education & communication (1993–).
MLA: “Inflation from 1956 to 1986: $100 is worth $403 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1956-to-1986/
APA: InflationCalculator.com. Inflation from 1956 to 1986. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1956-to-1986/