Financial

Inflation Calculator

Adjust amounts for inflation between any two years. Free online Inflation Calculator. Calculate inflation online — fast, accurate, mobile-friendly, no signup ne

Uses an average 3.1% annual inflation rate for estimation.

Equivalent value in 2026
$221.17
Cumulative inflation
121.17%

Derivation

  1. ├── 01Givenamount = $100, from = 2000, to = 2026
  2. ├── 02Formulafuture value = amount × (1 + avg inflation)^years
  3. ├── 03Years2026 − 2000 = 26
  4. ├── 04(1.031)^years2.211695
  5. ├── 05Substitute100 × 2.2117
  6. ├── 06Equivalent value in 2026$221.17
  7. └── 07Cumulative inflation121.17%
Did you know?

The US Consumer Price Index has been tracked by the Bureau of Labor Statistics since 1913. $100 in 1913 buys what $3,000 does today.

§01What is

Understanding the Inflation Calculator

The Inflation Calculator helps you compute adjust amounts for inflation between any two years.. It runs entirely in your browser with no sign-up required.

Quick calculators for the math that shouldn’t need a notepad — instant, accurate, private to your browser. The Inflation Calculator sits in that toolkit — it adjust amounts for inflation between any two years. Enter your numbers above and the result updates instantly; every step of the math is shown in the Derivation panel so you can see exactly how the answer was reached.

§02FAQ

Frequently asked questions

Yes. The calculator implements the standard formula as documented and returns exact floating-point results. No approximations are used unless noted in the formula.
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