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Future Value Inflation Calculator

See what a dollar amount from any year between 1913 and 2025 is worth in another year using official US CPI data, or project a future value at a custom inflation rate.

Historical mode uses US CPI-U annual averages for 1913–2025 from the U.S. Bureau of Labor Statistics, bundled into the page — nothing is fetched or sent.

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Reading the inputs
Looking up the CPI index
Computing the adjusted value

Result

This page opens the inflation calculator in projection mode: instead of historical CPI data, you set the assumptions. Enter an amount, an assumed annual inflation rate and a horizon in years, and the tool compounds the amount forward to its nominal future equivalent.

Two numbers come back besides the future value: the total percentage change over the horizon, and the mirror image — how much of today's purchasing power the same amount will retain. At 3% inflation, 1,000 today corresponds to about 1,344 in ten years, while a static 1,000 kept under the mattress will buy only about 744 worth of today's goods.

Nobody knows future inflation, so treat the rate as a dial rather than a forecast: run the same amount at 2%, 3% and 5% to bracket the outcome. Central banks in most developed economies target about 2%, and the long-run US average since 1913 is close to 3% — both are reasonable starting points.

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Accepted Formats & Rules

  • Historical mode: BLS CPI-U annual averages for 1913–2025, bundled statically.
  • Projection mode: compound any amount forward at a custom annual rate for up to 100 years.
  • Shows total change in percent, annualized rate and what the amount will still buy.

Key Benefits

✓ Adjust any amount between two years from 1913 to 2025 using official US CPI-U averages.
✓ Get the total price change, the average annual inflation rate and the price multiplier at once.
✓ Project a future value at your own assumed rate — data is bundled, nothing is fetched or sent.

Use Cases

  • • See what a salary, rent or house price from decades ago corresponds to in today's dollars.
  • • Check how much buying power cash savings lost over any period between 1913 and 2025.
  • • Project how an amount must grow to keep its value at an assumed future inflation rate.