U.S. inflation · 1945–1991
$100 in 1945 has the same buying power as
$757
in 1991
| Cumulative price change | 656.7% |
|---|---|
| Average inflation rate | 4.50% per year |
| Converted amount ($100 base) | $757 |
| Price difference ($100 base) | $657 |
| CPI in 1945 | 18 |
| CPI in 1991 | 136.2 |
| Inflation in 1945 | 2.27% |
| Inflation in 1991 | 4.21% |
| $100 in 1945 → 1991 | $757 |
| $100 in 1991 → 1945 | $13.22 |
Between 1945 and 1991, the Consumer Price Index went from 18 to 136.2. Cumulatively, prices increased 656.7%, which works out to an average of 4.50% per year. Put differently, a dollar in 1945 bought what $0.13 buys in 1991.
| Amount in 1945 | Value in 1991 |
|---|---|
| $1.00 | $7.57 |
| $5.00 | $37.83 |
| $10.00 | $75.67 |
| $20.00 | $151 |
| $50.00 | $378 |
| $100 | $757 |
| $500 | $3,783 |
| $1,000 | $7,567 |
| $5,000 | $37,833 |
| $10,000 | $75,667 |
| $100,000 | $756,667 |
| $1,000,000 | $7,566,667 |
The headline number is an average. Individual categories moved very differently over this period. Here is what $100 of 1945 spending costs in 1991, by category:
| Category | Avg. yearly inflation | $100 in 1945 → |
|---|---|---|
| All items (CPI-U) | 4.50% | $757 |
| Medical care | 6.04% | $1,487 |
| Food | 4.59% | $788 |
| Transportation | 4.56% | $779 |
| Apparel | 3.11% | $410 |
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–).
| Year | CPI | Inflation rate | $100 from 1945 |
|---|---|---|---|
| 1945 | 18 | 2.3% | $100 |
| 1947 | 22.3 | 14.4% | $124 |
| 1949 | 23.8 | -1.2% | $132 |
| 1951 | 26 | 7.9% | $144 |
| 1953 | 26.7 | 0.8% | $148 |
| 1955 | 26.8 | -0.4% | $149 |
| 1957 | 28.1 | 3.3% | $156 |
| 1959 | 29.1 | 0.7% | $162 |
| 1961 | 29.9 | 1.0% | $166 |
| 1963 | 30.6 | 1.3% | $170 |
| 1965 | 31.5 | 1.6% | $175 |
| 1967 | 33.4 | 3.1% | $186 |
| 1969 | 36.7 | 5.5% | $204 |
| 1971 | 40.5 | 4.4% | $225 |
| 1973 | 44.4 | 6.2% | $247 |
| 1975 | 53.8 | 9.1% | $299 |
| 1977 | 60.6 | 6.5% | $337 |
| 1979 | 72.6 | 11.3% | $403 |
| 1981 | 90.9 | 10.3% | $505 |
| 1983 | 99.6 | 3.2% | $553 |
| 1985 | 107.6 | 3.6% | $598 |
| 1987 | 113.6 | 3.6% | $631 |
| 1989 | 124 | 4.8% | $689 |
| 1991 | 136.2 | 4.2% | $757 |
Long periods are sampled every 2 years; the calculator above covers any pair of years.
MLA: “Inflation from 1945 to 1991: $100 is worth $757 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1945-to-1991/
APA: InflationCalculator.com. Inflation from 1945 to 1991. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1945-to-1991/
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.