What is $100 from 1921 worth today?
$100 in 1921 has the same buying power as $1,888 in September 2026. Prices are 1,788% higher than in 1921, an average inflation rate of 2.83% a year, according to the Bureau of Labor Statistics' consumer price index.
1921 dollars in today's money
| In 1921 | In September 2026 |
|---|---|
| $1 | $18.88 |
| $5 | $94.38 |
| $10 | $188.76 |
| $20 | $377.52 |
| $50 | $943.81 |
| $100 | $1,888 |
| $1,000 | $18,876 |
| $10,000 | $188,762 |
| $100,000 | $1,887,619 |
Inflation calculator
Based on the annual average consumer price index (CPI-U) for each year; "today" is the latest monthly CPI.
What $100 from 1921 was worth over time
| Year | Value of $100 from 1921 |
|---|---|
| 1925 | $98.27 |
| 1930 | $93.56 |
| 1935 | $76.89 |
| 1940 | $78.48 |
| 1945 | $100.80 |
| 1950 | $134.83 |
| 1955 | $150.00 |
| 1960 | $165.69 |
| 1965 | $176.52 |
| 1970 | $217.51 |
| 1975 | $301.50 |
| 1980 | $461.67 |
| 1985 | $602.62 |
| 1990 | $731.98 |
| 1995 | $853.69 |
| 2000 | $964.71 |
| 2005 | $1,094 |
| 2010 | $1,222 |
| 2015 | $1,328 |
| 2020 | $1,450 |
| September 2026 | $1,888 |
Annual-average CPI of each year.
Frequently asked questions
How much is $100 from 1921 worth today?
$100 in 1921 has the same buying power as $1,888 in September 2026. Prices are 1,788% higher than in 1921, an average inflation rate of 2.83% a year, according to the Bureau of Labor Statistics' consumer price index.
What was the inflation rate in 1921?
Consumer prices fell 10.9% in 1921 on an annual-average basis, and -10.8% from December 1920 to December 1921.
How much would $1 from 1921 be worth now?
$1 in 1921 is worth about $18.88 in September 2026 dollars. Put the other way, a dollar today buys what $0.05 bought in 1921.
How is this calculated?
We divide the latest consumer price index (336.940 for September 2026) by the average index for 1921 (17.850) and multiply by the amount. The index is the CPI for All Urban Consumers (CPI-U), 1982-84 = 100, published by the Bureau of Labor Statistics.
Source: U.S. Bureau of Labor Statistics, CPI-U (1982-84 = 100), via FRED.