When did prices double after 1958?
By October 1976, prices were twice their 1958 average (CPI-U 28.9 → 57.7), 18 years later. They had tripled by January 1981.
What $1 from 1958 is worth today
$1 in 1958 = $11.68 in September 2026
$1 from 1958$11.68in September 2026 dollars
Prices since 1958+1068%CPI 28.9 → 336.9
Average a year3.67%compounded since 1958
Inflation in 19581.8%December to December
Worth in September 2026$1,167.57
Prices changed1067.6%
Average a year3.67%
$100.00 in 1958 buys what $1,167.57 buys in September 2026.$100.00 × CPI 336.940 ÷ CPI 28.858 · 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
1958 dollars in September 2026 dollars
| In 1958 | In September 2026 |
|---|---|
| $1.00 | $11.68 |
| $5.00 | $58.38 |
| $10.00 | $116.76 |
| $20.00 | $233.51 |
| $50.00 | $583.78 |
| $100.00 | $1,168 |
| $500.00 | $5,838 |
| $1,000 | $11,676 |
| $10,000 | $116,757 |
| $50,000 | $583,783 |
| $100,000 | $1,167,566 |
$100 from 1958, decade by decade
| Year | Worth | Average CPI |
|---|---|---|
| 1968 | $120.53 | 34.8 |
| 1978 | $226.05 | 65.2 |
| 1988 | $409.79 | 118.3 |
| 1998 | $564.86 | 163.0 |
| 2008 | $746.07 | 215.3 |
| 2018 | $870.14 | 251.1 |
| September 2026 | $1,168 | 336.9 |
1958 in the inflation record
- Prices rose 1.8% in 1958 (December to December), below the 3.3% average of every year since 1914: #73 of 112 from highest to lowest.
- The 1950s averaged 2.2% a year; the decade’s highest was 1951 at 6.0%.
- Prices first stood at twice their 1958 level in October 1976, and three times in January 1981.
- A dollar today buys what 8.6¢ bought in 1958.
CPI-U each month of 1958
| Month | CPI-U |
|---|---|
| January | 28.600 |
| February | 28.600 |
| March | 28.800 |
| April | 28.900 |
| May | 28.900 |
| June | 28.900 |
| July | 29.000 |
| August | 28.900 |
| September | 28.900 |
| October | 28.900 |
| November | 29.000 |
| December | 28.900 |
| Year average | 28.858 |
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 1958 worth today?
$11.68 in September 2026. Prices have risen 1067.6% since 1958, using the 1958 average CPI-U of 28.858 and the September 2026 CPI-U of 336.940 from the U.S. Bureau of Labor Statistics.
What was the inflation rate in 1958?
Prices rose 1.8% from December 1957 to December 1958 (CPI-U, not seasonally adjusted).
What is the average inflation rate since 1958?
3.67% a year, compounded, from 1958 to September 2026. At that rate prices double about every 19 years.
How much is $100 from 1958 worth today?
$1,168. Multiply any 1958 amount by 11.676 to get today’s money.