U.S. inflation · 1915–1920
$100 in 1915 has the same buying power as
$198
in 1920
| Cumulative price change | 98.0% |
|---|---|
| Average inflation rate | 14.64% per year |
| Converted amount ($100 base) | $198 |
| Price difference ($100 base) | $98.02 |
| CPI in 1915 | 10.1 |
| CPI in 1920 | 20 |
| Inflation in 1915 | 1.00% |
| Inflation in 1920 | 15.61% |
| $100 in 1915 → 1920 | $198 |
| $100 in 1920 → 1915 | $50.50 |
Between 1915 and 1920, the Consumer Price Index went from 10.1 to 20. Cumulatively, prices increased 98.0%, which works out to an average of 14.64% per year. Put differently, a dollar in 1915 bought what $0.51 buys in 1920.
| Amount in 1915 | Value in 1920 |
|---|---|
| $1.00 | $1.98 |
| $5.00 | $9.90 |
| $10.00 | $19.80 |
| $20.00 | $39.60 |
| $50.00 | $99.01 |
| $100 | $198 |
| $500 | $990 |
| $1,000 | $1,980 |
| $5,000 | $9,901 |
| $10,000 | $19,802 |
| $100,000 | $198,020 |
| $1,000,000 | $1,980,198 |
The headline number is an average. Individual categories moved very differently over this period. Here is what $100 of 1915 spending costs in 1920, by category:
| Category | Avg. yearly inflation | $100 in 1915 → |
|---|---|---|
| All items (CPI-U) | 14.64% | $198 |
| Apparel | 23.01% | $282 |
| Food | 16.00% | $210 |
Not shown because the BLS began these indexes after 1915: 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 1915 |
|---|---|---|---|
| 1915 | 10.1 | 1.0% | $100 |
| 1916 | 10.9 | 7.9% | $108 |
| 1917 | 12.8 | 17.4% | $127 |
| 1918 | 15.1 | 18.0% | $150 |
| 1919 | 17.3 | 14.6% | $171 |
| 1920 | 20 | 15.6% | $198 |
MLA: “Inflation from 1915 to 1920: $100 is worth $198 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1915-to-1920/
APA: InflationCalculator.com. Inflation from 1915 to 1920. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1915-to-1920/
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.