US Inflation Calculator
Convert US dollars between any two years from 1913 to today using official BLS CPI-U annual averages, with total and annualised inflation rates.
$100.00 in 1990 has the same buying power as
$246.47
in 2025
Total change
+146.5%
Average per year
+2.61%
CPI-U indices
130.7 → 322.132
Formula
2025 dollars = amount × (CPI2025 ÷ CPI1990) = $100.00 × (322.132 ÷ 130.7)Data source and method
Figures use the annual average Consumer Price Index for All Urban Consumers (CPI-U), U.S. city average, all items, series CUUR0000SA0, published by the U.S. Bureau of Labor Statistics. The index base period is 1982–84 = 100. Coverage runs 1913–2025; the 2025 average is provisional until December of that year is final.
CPI measures a fixed basket of urban consumer goods and services, so it answers "what would this cost today?" — not "what would this investment be worth?". Regional prices, housing and wage growth all diverge from headline CPI, and pre-1978 methodology differs from the current series, so long-span comparisons are indicative rather than exact.
Cite this page
UnitConvertLab. (2026). US Inflation Calculator. UnitConvertLab. Retrieved from https://unitconvertlab.com/hi/tools/inflation-calculator