U.S. inflation · 1975–1979

Value of $100 in 1975, adjusted to 1979

$100 in 1975 has the same buying power as

$135

in 1979

$100$117$13519751979$100 · 1975$135 · 1979
Detailed inflation statistics
Cumulative price change34.9%
Average inflation rate7.78% per year
Converted amount ($100 base)$135
Price difference ($100 base)$34.94
CPI in 197553.8
CPI in 197972.6
Inflation in 19759.13%
Inflation in 197911.35%
$100 in 19751979$135
$100 in 19791975$74.10

What happened to prices between 1975 and 1979

Between 1975 and 1979, the Consumer Price Index went from 53.8 to 72.6. Cumulatively, prices increased 34.9%, which works out to an average of 7.78% per year. Put differently, a dollar in 1975 bought what $0.74 buys in 1979.

Common amounts: 1975 dollars in 1979

Amount in 1975Value in 1979
$1.00$1.35
$5.00$6.75
$10.00$13.49
$20.00$26.99
$50.00$67.47
$100$135
$500$675
$1,000$1,349
$5,000$6,747
$10,000$13,494
$100,000$134,944
$1,000,000$1,349,442

Inflation by spending category, 1975–1979

The headline number is an average. Individual categories moved very differently over this period. Here is what $100 of 1975 spending costs in 1979, by category:

Category Avg. yearly inflation $100 in 1975 →
All items (CPI-U) 7.78% $135
Energy 11.77% $156
Medical care 9.18% $142
Transportation 8.92% $141
Housing 8.44% $138
Food 7.51% $134
Core (all items less food & energy) 7.47% $133
Apparel 4.03% $117

Not shown because the BLS began these indexes after 1975: recreation (1993–), education & communication (1993–).

Year by year: CPI and the value of $100 from 1975

Year CPI Inflation rate $100 from 1975
1975 53.8 9.1% $100
1976 56.9 5.8% $106
1977 60.6 6.5% $113
1978 65.2 7.6% $121
1979 72.6 11.3% $135

Cite this page

MLA: “Inflation from 1975 to 1979: $100 is worth $135 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1975-to-1979/

APA: InflationCalculator.com. Inflation from 1975 to 1979. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1975-to-1979/

Source: U.S. Bureau of Labor Statistics, CPI-U annual averages (series CUUR0000SA0; category indexes listed on the data sources page). See how these numbers are calculated.