U.S. inflation · 1930–1931
$100 in 1930 has the same buying power as
$91.02
in 1931
| Cumulative price change | -9.0% |
|---|---|
| Average inflation rate | -8.98% per year |
| Converted amount ($100 base) | $91.02 |
| Price difference ($100 base) | -$8.98 |
| CPI in 1930 | 16.7 |
| CPI in 1931 | 15.2 |
| Inflation in 1930 | -2.34% |
| Inflation in 1931 | -8.98% |
| $100 in 1930 → 1931 | $91.02 |
| $100 in 1931 → 1930 | $110 |
Between 1930 and 1931, the Consumer Price Index went from 16.7 to 15.2. Cumulatively, prices declined 9.0%, which works out to an average of -8.98% per year. Put differently, a dollar in 1930 bought what $1.10 buys in 1931.
| Amount in 1930 | Value in 1931 |
|---|---|
| $1.00 | $0.91 |
| $5.00 | $4.55 |
| $10.00 | $9.10 |
| $20.00 | $18.20 |
| $50.00 | $45.51 |
| $100 | $91.02 |
| $500 | $455 |
| $1,000 | $910 |
| $5,000 | $4,551 |
| $10,000 | $9,102 |
| $100,000 | $91,018 |
| $1,000,000 | $910,180 |
The headline number is an average. Individual categories moved very differently over this period. Here is what $100 of 1930 spending costs in 1931, by category:
| Category | Avg. yearly inflation | $100 in 1930 → |
|---|---|---|
| All items (CPI-U) | -8.98% | $91.02 |
| Apparel | -9.09% | $90.91 |
| Food | -17.31% | $82.69 |
Not shown because the BLS began these indexes after 1930: 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 1930 |
|---|---|---|---|
| 1930 | 16.7 | -2.3% | $100 |
| 1931 | 15.2 | -9.0% | $91.02 |
MLA: “Inflation from 1930 to 1931: $100 is worth $91.02 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1930-to-1931/
APA: InflationCalculator.com. Inflation from 1930 to 1931. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1930-to-1931/
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.