When did prices double after 1967?
By October 1978, prices were twice their 1967 average (CPI-U 33.4 → 66.7), 11 years later. They had tripled by August 1983.
$1 in 1967 = $10.10 in September 2026
$100.00 in 1967 buys what $1,010.06 buys in September 2026.$100.00 × CPI 336.940 ÷ CPI 33.358 · 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
| In 1967 | In September 2026 |
|---|---|
| $1.00 | $10.10 |
| $5.00 | $50.50 |
| $10.00 | $101.01 |
| $20.00 | $202.01 |
| $50.00 | $505.03 |
| $100.00 | $1,010 |
| $500.00 | $5,050 |
| $1,000 | $10,101 |
| $10,000 | $101,006 |
| $50,000 | $505,031 |
| $100,000 | $1,010,062 |
| Year | Worth | Average CPI |
|---|---|---|
| 1977 | $181.69 | 60.6 |
| 1987 | $340.62 | 113.6 |
| 1997 | $481.19 | 160.5 |
| 2007 | $621.56 | 207.3 |
| 2017 | $734.81 | 245.1 |
| September 2026 | $1,010 | 336.9 |
| Month | CPI-U |
|---|---|
| January | 32.900 |
| February | 32.900 |
| March | 33.000 |
| April | 33.100 |
| May | 33.200 |
| June | 33.300 |
| July | 33.400 |
| August | 33.500 |
| September | 33.600 |
| October | 33.700 |
| November | 33.800 |
| December | 33.900 |
| Year average | 33.358 |
U.S. Bureau of Labor Statistics, CPI-U, U.S. city average, all items, not seasonally adjusted (1982-84 = 100). Source
By October 1978, prices were twice their 1967 average (CPI-U 33.4 → 66.7), 11 years later. They had tripled by August 1983.
$10.10 in September 2026. Prices have risen 910.1% since 1967, using the 1967 average CPI-U of 33.358 and the September 2026 CPI-U of 336.940 from the U.S. Bureau of Labor Statistics.
Prices rose 3.0% from December 1966 to December 1967 (CPI-U, not seasonally adjusted).
3.98% a year, compounded, from 1967 to September 2026. At that rate prices double about every 18 years.
$1,010. Multiply any 1967 amount by 10.101 to get today’s money.