U.S. inflation · 1917–1999
$100 in 1917 has the same buying power as
$1,302
in 1999
| Cumulative price change | 1201.6% |
|---|---|
| Average inflation rate | 3.18% per year |
| Converted amount ($100 base) | $1,302 |
| Price difference ($100 base) | $1,202 |
| CPI in 1917 | 12.8 |
| CPI in 1999 | 166.6 |
| Inflation in 1917 | 17.43% |
| Inflation in 1999 | 2.21% |
| $100 in 1917 → 1999 | $1,302 |
| $100 in 1999 → 1917 | $7.68 |
Between 1917 and 1999, the Consumer Price Index went from 12.8 to 166.6. Cumulatively, prices increased 1201.6%, which works out to an average of 3.18% per year. Put differently, a dollar in 1917 bought what $0.08 buys in 1999.
| Amount in 1917 | Value in 1999 |
|---|---|
| $1.00 | $13.02 |
| $5.00 | $65.08 |
| $10.00 | $130 |
| $20.00 | $260 |
| $50.00 | $651 |
| $100 | $1,302 |
| $500 | $6,508 |
| $1,000 | $13,016 |
| $5,000 | $65,078 |
| $10,000 | $130,156 |
| $100,000 | $1,301,562 |
| $1,000,000 | $13,015,625 |
The headline number is an average. Individual categories moved very differently over this period. Here is what $100 of 1917 spending costs in 1999, by category:
| Category | Avg. yearly inflation | $100 in 1917 → |
|---|---|---|
| All items (CPI-U) | 3.18% | $1,302 |
| Food | 3.00% | $1,132 |
| Apparel | 2.31% | $650 |
Not shown because the BLS began these indexes after 1917: 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 1917 |
|---|---|---|---|
| 1917 | 12.8 | 17.4% | $100 |
| 1922 | 16.8 | -6.1% | $131 |
| 1927 | 17.4 | -1.7% | $136 |
| 1932 | 13.7 | -9.9% | $107 |
| 1937 | 14.4 | 3.6% | $113 |
| 1942 | 16.3 | 10.9% | $127 |
| 1947 | 22.3 | 14.4% | $174 |
| 1952 | 26.5 | 1.9% | $207 |
| 1957 | 28.1 | 3.3% | $220 |
| 1962 | 30.2 | 1.0% | $236 |
| 1967 | 33.4 | 3.1% | $261 |
| 1972 | 41.8 | 3.2% | $327 |
| 1977 | 60.6 | 6.5% | $473 |
| 1982 | 96.5 | 6.2% | $754 |
| 1987 | 113.6 | 3.6% | $887 |
| 1992 | 140.3 | 3.0% | $1,096 |
| 1997 | 160.5 | 2.3% | $1,254 |
| 1999 | 166.6 | 2.2% | $1,302 |
Long periods are sampled every 5 years; the calculator above covers any pair of years.
MLA: “Inflation from 1917 to 1999: $100 is worth $1,302 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1917-to-1999/
APA: InflationCalculator.com. Inflation from 1917 to 1999. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1917-to-1999/
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.