When did prices double after 1925?
By September 1968, prices were twice their 1925 average (CPI-U 17.5 → 35.1), 43 years later. They had tripled by March 1975.
What $1 from 1925 is worth today
$1 in 1925 = $19.21 in September 2026
$1 from 1925$19.21in September 2026 dollars
Prices since 1925+1821%CPI 17.5 → 336.9
Average a year2.96%compounded since 1925
Inflation in 19253.5%December to December
Worth in September 2026$1,920.80
Prices changed1820.8%
Average a year2.96%
$100.00 in 1925 buys what $1,920.80 buys in September 2026.$100.00 × CPI 336.940 ÷ CPI 17.542 · a whole year uses its average CPI
BLS CPI-U, U.S. city average, not seasonally adjusted, through September 2026 (3.7% over 12 months). Source
1925 dollars in September 2026 dollars
| In 1925 | In September 2026 |
|---|---|
| $1.00 | $19.21 |
| $5.00 | $96.04 |
| $10.00 | $192.08 |
| $20.00 | $384.16 |
| $50.00 | $960.40 |
| $100.00 | $1,921 |
| $500.00 | $9,604 |
| $1,000 | $19,208 |
| $10,000 | $192,080 |
| $50,000 | $960,399 |
| $100,000 | $1,920,798 |
$100 from 1925, decade by decade
| Year | Worth | Average CPI |
|---|---|---|
| 1935 | $78.24 | 13.7 |
| 1945 | $102.57 | 18.0 |
| 1955 | $152.64 | 26.8 |
| 1965 | $179.62 | 31.5 |
| 1975 | $306.79 | 53.8 |
| 1985 | $613.21 | 107.6 |
| 1995 | $868.69 | 152.4 |
| 2005 | $1,113 | 195.3 |
| 2015 | $1,351 | 237.0 |
| 2025 | $1,835 | 321.9 |
| September 2026 | $1,921 | 336.9 |
1925 in the inflation record
- Prices rose 3.5% in 1925 (December to December), about the 3.3% average of every year since 1914: #34 of 112 from highest to lowest.
- The 1920s averaged -0.9% a year, and 1925 was the decade’s highest.
- Prices first stood at twice their 1925 level in September 1968, and three times in March 1975.
- A dollar today buys what 5.2¢ bought in 1925.
CPI-U each month of 1925
| Month | CPI-U |
|---|---|
| January | 17.300 |
| February | 17.200 |
| March | 17.300 |
| April | 17.200 |
| May | 17.300 |
| June | 17.500 |
| July | 17.700 |
| August | 17.700 |
| September | 17.700 |
| October | 17.700 |
| November | 18.000 |
| December | 17.900 |
| Year average | 17.542 |
U.S. Bureau of Labor Statistics, CPI-U, U.S. city average, all items, not seasonally adjusted (1982-84 = 100). Source
Frequently asked questions
How much is $1 from 1925 worth today?
$19.21 in September 2026. Prices have risen 1820.8% since 1925, using the 1925 average CPI-U of 17.542 and the September 2026 CPI-U of 336.940 from the U.S. Bureau of Labor Statistics.
What was the inflation rate in 1925?
Prices rose 3.5% from December 1924 to December 1925 (CPI-U, not seasonally adjusted).
What is the average inflation rate since 1925?
2.96% a year, compounded, from 1925 to September 2026. At that rate prices double about every 24 years.
How much is $100 from 1925 worth today?
$1,921. Multiply any 1925 amount by 19.208 to get today’s money.