See what today's money will be worth in the future at a chosen average inflation rate.
See what today's money will be worth in the future at a chosen average inflation rate.
Enter values above and click Calculate — results will appear here with the formula explained.
Inflation erodes what a fixed sum can buy. Compounded annually at rate r, prices multiply by (1+r) each year, so after y years something costing $100 today costs $100 × (1+r)ʸ — and your $100 buys only 1/(1+r)ʸ of what it used to.
Because real-world inflation fluctuates, this tool uses a single average rate you choose. That makes it a transparent scenario model rather than a prediction: try 2%, 3% and 5% to see how sensitive long horizons are to the assumption.
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Inflation Calculator computes see what today's money will be worth in the future at a chosen average inflation rate. Formula: Future cost = Amount × (1 + inflation)ʸ. Example: At 3% average inflation, a $10,000 expense today would cost about $18,061 in.
Inflation erodes what a fixed sum can buy. Compounded annually at rate r, prices multiply by (1+r) each year, so after y years something costing $100 today costs $100 × (1+r)ʸ — and your $100 buys only 1/(1+r)ʸ of what it used to.
Because real-world inflation fluctuates, this tool uses a single average rate you choose. That makes it a transparent scenario model rather than a prediction: try 2%, 3% and 5% to see how sensitive long horizons are to the assumption.
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At 3% average inflation, a $10,000 expense today would cost about $18,061 in 20 years, while $10,000 kept under a mattress would buy roughly $5,537 worth of goods.
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