US Inflation · 1970 → 2025
$1 in 1970 = $8.26 in 2025
Total inflation
726.3%
over 55 years
Annual average
3.91%
compounded
Common amounts adjusted
| $Amount in 1970 | Equivalent in 2025 |
|---|---|
| $100 | $826.29 |
| $1,000 | $8,262.89 |
| $10,000 | $82,628.87 |
| $100,000 | $826,288.66 |
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 2025 CPI to the 1970 CPI.
factor = CPI(2025) / CPI(1970) = 8.2629
annual = factor^(1/55) − 1 = 0.0391 (3.91%)
annual = factor^(1/55) − 1 = 0.0391 (3.91%)