Inflation Calculator

Converts an amount between two years using CPI-U annual averages stored in the project. No rate is fetched.

1. Enter the amount.
2. Choose the starting year and the comparison year.
3. Read the buying power, the total change, and the average annual change.

CPI-U purchasing power

Value in the second year = value in the first year × (CPI of the second year ÷ CPI of the first year), rounded to the cent.

Source. An amount in one year is multiplied by the other year's CPI-U annual average and divided by the first year's average, then rounded to the cent. The series is CUUR0000SA0, all items, U.S. city average, not seasonally adjusted, 1982–84 = 100. Annual averages run from 1913 through 2025. The 2025 figure is the mean of the 11 months published. Bureau of Labor Statistics. BLS, purchasing power and constant dollars, BLS series CUUR0000SA0.

Updated November 1, 2026

$100.00 in 2000 has the same buying power as $186.96 in 2025. That is 86.96% more. Between 2000 and 2025, CPI-U rose by an average of 2.53% a year. CPI-U annual averages: 172.2 in 2000 and 321.943 in 2025 (1982–84 = 100).

• CPI-U annual averages, all items, U.S. city average, not seasonally adjusted (BLS series CUUR0000SA0, 1982–84 = 100), for 1913 through 2025. Checked against the series as published through September 2026. October 2025 was not published, so the 2025 average is the mean of the 11 months BLS released. 2026 is omitted because that year is not complete. The dollar result is the entered amount times the ratio of the two annual indexes, rounded to the cent.

Which inflation index is this?

CPI-U, all items, U.S. city average, not seasonally adjusted. The base is 1982–84 = 100. The newest annual average included is 2025.

Why is 2026 missing?

2026 is not a complete year in the stored table. October 2025 was not published, and the 2025 figure is the average of the 11 months that were.