US Inflation · 1980 → 2000
$1 in 1980 = $2.09 in 2000
Total inflation
109.0%
over 20 years
Annual average
3.75%
compounded
Common amounts adjusted
| $Amount in 1980 | Equivalent in 2000 |
|---|---|
| $100 | $208.98 |
| $1,000 | $2,089.81 |
| $10,000 | $20,898.06 |
| $100,000 | $208,980.58 |
How this was calculated
Based on the US Bureau of Labor Statistics Consumer Price Index (CPI). The cumulative inflation factor is the ratio of the 2000 CPI to the 1980 CPI.
factor = CPI(2000) / CPI(1980) = 2.0898
annual = factor^(1/20) − 1 = 0.0375 (3.75%)
annual = factor^(1/20) − 1 = 0.0375 (3.75%)