U.S. inflation · 1942–1978
$100 in 1942 has the same buying power as
$400
in 1978
| Cumulative price change | 300.0% |
|---|---|
| Average inflation rate | 3.93% per year |
| Converted amount ($100 base) | $400 |
| Price difference ($100 base) | $300 |
| CPI in 1942 | 16.3 |
| CPI in 1978 | 65.2 |
| Inflation in 1942 | 10.88% |
| Inflation in 1978 | 7.59% |
| $100 in 1942 → 1978 | $400 |
| $100 in 1978 → 1942 | $25.00 |
Between 1942 and 1978, the Consumer Price Index went from 16.3 to 65.2. Cumulatively, prices increased 300.0%, which works out to an average of 3.93% per year. Put differently, a dollar in 1942 bought what $0.25 buys in 1978.
| Amount in 1942 | Value in 1978 |
|---|---|
| $1.00 | $4.00 |
| $5.00 | $20.00 |
| $10.00 | $40.00 |
| $20.00 | $80.00 |
| $50.00 | $200 |
| $100 | $400 |
| $500 | $2,000 |
| $1,000 | $4,000 |
| $5,000 | $20,000 |
| $10,000 | $40,000 |
| $100,000 | $400,000 |
| $1,000,000 | $4,000,000 |
The headline number is an average. Individual categories moved very differently over this period. Here is what $100 of 1942 spending costs in 1978, by category:
| Category | Avg. yearly inflation | $100 in 1942 → |
|---|---|---|
| All items (CPI-U) | 3.93% | $400 |
| Medical care | 4.99% | $578 |
| Food | 4.38% | $468 |
| Transportation | 3.82% | $386 |
| Apparel | 3.14% | $305 |
Not shown because the BLS began these indexes after 1942: core (all items less food & energy) (1957–), energy (1957–), housing (1967–), recreation (1993–), education & communication (1993–).
| Year | CPI | Inflation rate | $100 from 1942 |
|---|---|---|---|
| 1942 | 16.3 | 10.9% | $100 |
| 1944 | 17.6 | 1.7% | $108 |
| 1946 | 19.5 | 8.3% | $120 |
| 1948 | 24.1 | 8.1% | $148 |
| 1950 | 24.1 | 1.3% | $148 |
| 1952 | 26.5 | 1.9% | $163 |
| 1954 | 26.9 | 0.7% | $165 |
| 1956 | 27.2 | 1.5% | $167 |
| 1958 | 28.9 | 2.8% | $177 |
| 1960 | 29.6 | 1.7% | $182 |
| 1962 | 30.2 | 1.0% | $185 |
| 1964 | 31 | 1.3% | $190 |
| 1966 | 32.4 | 2.9% | $199 |
| 1968 | 34.8 | 4.2% | $213 |
| 1970 | 38.8 | 5.7% | $238 |
| 1972 | 41.8 | 3.2% | $256 |
| 1974 | 49.3 | 11.0% | $302 |
| 1976 | 56.9 | 5.8% | $349 |
| 1978 | 65.2 | 7.6% | $400 |
Long periods are sampled every 2 years; the calculator above covers any pair of years.
MLA: “Inflation from 1942 to 1978: $100 is worth $400 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1942-to-1978/
APA: InflationCalculator.com. Inflation from 1942 to 1978. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1942-to-1978/
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.