U.S. inflation · 1918–1949
$100 in 1918 has the same buying power as
$158
in 1949
| Cumulative price change | 57.6% |
|---|---|
| Average inflation rate | 1.48% per year |
| Converted amount ($100 base) | $158 |
| Price difference ($100 base) | $57.62 |
| CPI in 1918 | 15.1 |
| CPI in 1949 | 23.8 |
| Inflation in 1918 | 17.97% |
| Inflation in 1949 | -1.24% |
| $100 in 1918 → 1949 | $158 |
| $100 in 1949 → 1918 | $63.45 |
Between 1918 and 1949, the Consumer Price Index went from 15.1 to 23.8. Cumulatively, prices increased 57.6%, which works out to an average of 1.48% per year. Put differently, a dollar in 1918 bought what $0.63 buys in 1949.
| Amount in 1918 | Value in 1949 |
|---|---|
| $1.00 | $1.58 |
| $5.00 | $7.88 |
| $10.00 | $15.76 |
| $20.00 | $31.52 |
| $50.00 | $78.81 |
| $100 | $158 |
| $500 | $788 |
| $1,000 | $1,576 |
| $5,000 | $7,881 |
| $10,000 | $15,762 |
| $100,000 | $157,616 |
| $1,000,000 | $1,576,159 |
The headline number is an average. Individual categories moved very differently over this period. Here is what $100 of 1918 spending costs in 1949, by category:
| Category | Avg. yearly inflation | $100 in 1918 → |
|---|---|---|
| All items (CPI-U) | 1.48% | $158 |
| Food | 1.31% | $150 |
| Apparel | 1.30% | $149 |
Not shown because the BLS began these indexes after 1918: core (all items less food & energy) (1957–), energy (1957–), housing (1967–), medical care (1935–), transportation (1935–), recreation (1993–), education & communication (1993–).
| Year | CPI | Inflation rate | $100 from 1918 |
|---|---|---|---|
| 1918 | 15.1 | 18.0% | $100 |
| 1920 | 20 | 15.6% | $132 |
| 1922 | 16.8 | -6.1% | $111 |
| 1924 | 17.1 | 0.0% | $113 |
| 1926 | 17.7 | 1.1% | $117 |
| 1928 | 17.1 | -1.7% | $113 |
| 1930 | 16.7 | -2.3% | $111 |
| 1932 | 13.7 | -9.9% | $90.73 |
| 1934 | 13.4 | 3.1% | $88.74 |
| 1936 | 13.9 | 1.5% | $92.05 |
| 1938 | 14.1 | -2.1% | $93.38 |
| 1940 | 14 | 0.7% | $92.72 |
| 1942 | 16.3 | 10.9% | $108 |
| 1944 | 17.6 | 1.7% | $117 |
| 1946 | 19.5 | 8.3% | $129 |
| 1948 | 24.1 | 8.1% | $160 |
| 1949 | 23.8 | -1.2% | $158 |
Long periods are sampled every 2 years; the calculator above covers any pair of years.
MLA: “Inflation from 1918 to 1949: $100 is worth $158 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1918-to-1949/
APA: InflationCalculator.com. Inflation from 1918 to 1949. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1918-to-1949/
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.