Inflation Calculator
Calculate purchasing power and inflation impact using historical CPI data from 1913–2025.
关于此工具
Understand how inflation affects the value of money over time. Enter an amount, choose a start year and end year (1913–2025), and instantly see the inflation-adjusted value using built-in U.S. Consumer Price Index (CPI) data. View total cumulative inflation percentage, how much purchasing power has changed, and a year-by-year table showing the value of $1 from your start year forward. All calculations use official annual CPI averages — no API calls required.
使用方法
- 1 Enter the dollar amount you want to adjust.
- 2 Select a start year (the year your amount is from).
- 3 Select an end year (the year to adjust to).
- 4 Click Calculate to see the adjusted value and total inflation percentage.
- 5 Scroll down to see the year-by-year value of $1 table.
常见问题
计算带有月供的复利增长——用图表查看您的投资随时间增长的情况。
Calculate how long it takes to reach your savings goal with compound interest.
Calculate and track your budget using the 50/30/20 rule.
Project your retirement savings with compound growth, inflation adjustment, and a 4% rule income estimate.