# Inflation Calculator

> Estimate future cost, purchasing power, and cumulative inflation.

Page: https://askcalculators.com/calculator/inflation-calculator/
Definition: https://askcalculators.com/calculator/inflation-calculator/definition.json
JSON Schema: https://askcalculators.com/calculator/inflation-calculator/schema.json
Version: 1.0.0
Maintained by: AskCalculators (software project; not a credentialed reviewer)
Qualified review: pending. Automated checks do not establish professional approval.
Page status: Live
Review status: Pending

## Use
Open the calculator page and enter values. Query-string parameters can restore and bookmark a calculation.
Example: https://askcalculators.com/calculator/inflation-calculator/?amount=1000&annualInflation=3&years=10

## Inputs
- amount: Current amount; type=money; required; default=1000; min=0
- annualInflation: Annual inflation; type=percent; required; default=3; min=-20; max=100
- years: Years; type=number; required; default=10; min=0; max=200

## Outputs
- futureCost: Future cost; format=currency; primary
- purchasingPower: Future purchasing power of current amount; format=currency
- cumulativeInflation: Cumulative inflation; format=percent
- purchasingPowerLost: Purchasing power lost; format=currency

## Formula
Future cost = current amount × (1 + inflation rate)ʸᵉᵃʳˢ

## Rules
- Empty optional inputs are undefined, not zero.
- Hidden conditional inputs are ignored.
- Do not invent missing required inputs.