When did prices double after 1963?
By September 1977, prices were twice their 1963 average (CPI-U 30.6 → 61.3), 14 years later. They had tripled by August 1981.
$1 in 1963 = $11.00 in September 2026
$100.00 in 1963 buys what $1,100.21 buys in September 2026.$100.00 × CPI 336.940 ÷ CPI 30.625 · 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 1963 | In September 2026 |
|---|---|
| $1.00 | $11.00 |
| $5.00 | $55.01 |
| $10.00 | $110.02 |
| $20.00 | $220.04 |
| $50.00 | $550.11 |
| $100.00 | $1,100 |
| $500.00 | $5,501 |
| $1,000 | $11,002 |
| $10,000 | $110,021 |
| $50,000 | $550,106 |
| $100,000 | $1,100,212 |
| Year | Worth | Average CPI |
|---|---|---|
| 1973 | $144.98 | 44.4 |
| 1983 | $325.22 | 99.6 |
| 1993 | $471.70 | 144.5 |
| 2003 | $600.68 | 184.0 |
| 2013 | $760.68 | 233.0 |
| 2023 | $994.94 | 304.7 |
| September 2026 | $1,100 | 336.9 |
| Month | CPI-U |
|---|---|
| January | 30.400 |
| February | 30.400 |
| March | 30.500 |
| April | 30.500 |
| May | 30.500 |
| June | 30.600 |
| July | 30.700 |
| August | 30.700 |
| September | 30.700 |
| October | 30.800 |
| November | 30.800 |
| December | 30.900 |
| Year average | 30.625 |
U.S. Bureau of Labor Statistics, CPI-U, U.S. city average, all items, not seasonally adjusted (1982-84 = 100). Source
By September 1977, prices were twice their 1963 average (CPI-U 30.6 → 61.3), 14 years later. They had tripled by August 1981.
$11.00 in September 2026. Prices have risen 1000.2% since 1963, using the 1963 average CPI-U of 30.625 and the September 2026 CPI-U of 336.940 from the U.S. Bureau of Labor Statistics.
Prices rose 1.6% from December 1962 to December 1963 (CPI-U, not seasonally adjusted).
3.86% a year, compounded, from 1963 to September 2026. At that rate prices double about every 18 years.
$1,100. Multiply any 1963 amount by 11.002 to get today’s money.