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    Finance & Tax

    Inflation calculator

    About this tool

    Explore how a constant rate of price change affects a budget. Future equivalent cost answers how much money you would need later to buy the same basket. Purchasing power answers how much today’s unchanged amount would buy later, expressed in today’s prices. No historical inflation series is fetched.

    Stocks & investment

    Choose a task. Inputs stay in this page only.

    MAKE IT SIMPLE

    Fixed hypothetical inflation from −99 to 100% per year. Amount: 0–1 trillion. No inflation data feed.

    Result

    Worked examples

    Amount 1000; annual inflation 10%; 2 years

    Future cost 1210; purchasing power approximately 826.446281; cumulative 21%

    Two successive 10% increases multiply by 1.1 × 1.1 = 1.21 rather than adding to 20%.

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