1980 dollars in today's money
| In 1980 | In September 2026 |
|---|---|
| $1.00 | $4.09 |
| $5.00 | $20.44 |
| $10.00 | $40.89 |
| $20.00 | $81.77 |
| $50.00 | $204.43 |
| $100.00 | $408.87 |
| $1,000 | $4,089 |
| $10,000 | $40,887 |
Inflation in 1980
Prices rose 13.5% in 1980 compared with 1979. That is above the long-run average of 3.2% a year since 1913.
In the 1980s, the highest yearly rate was 13.5% in 1980 and the lowest was 1.9% in 1986.
The average Consumer Price Index in 1980 was 82.408 (1982–84 = 100). Today's index is 336.940, which is where the multiplier of 4.09× comes from.
Buying power: today's money in 1980
Going the other way, $100 today would have bought what $24.46 bought in 1980.
1980 compared with nearby years
| Year | $1 is worth today | Inflation that year |
|---|---|---|
| 1975 | $6.26 | 9.1% |
| 1976 | $5.92 | 5.7% |
| 1977 | $5.56 | 6.5% |
| 1978 | $5.17 | 7.6% |
| 1979 | $4.64 | 11.3% |
| 1981 | $3.71 | 10.3% |
| 1982 | $3.49 | 6.1% |
| 1983 | $3.38 | 3.2% |
| 1984 | $3.24 | 4.3% |
| 1985 | $3.13 | 3.5% |
How this is calculated
Value today = amount × (CPI in September 2026 ÷ average CPI in 1980). The data is the CPI-U, all items, not seasonally adjusted, published by the U.S. Bureau of Labor Statistics. Use the calculator above to convert between any two years.