See how inflation erodes purchasing power over time, or what a past amount would be worth today.
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Future Purchasing Power
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Loss in Purchasing Power—
Value in Today's Dollars—
Formula
Future Cost = Amount × (1 + inflation rate)^years.
Example
At 3% average inflation, something that costs $10,000 today would cost roughly $18,061 in 20 years, meaning the dollar buys much less by then.
Not tax or financial advice. This calculator provides general estimates based on published 2026 figures. Always confirm important figures with the IRS, SSA, your state tax agency, a licensed lender, or a qualified professional.
Frequently Asked Questions
What inflation rate should I use?
The United States has averaged roughly 3 percent annual inflation over the long run, though any given year can be higher or lower. Check current CPI data from the Bureau of Labor Statistics for recent figures.
How does inflation affect my savings?
Money that is not invested or earning interest above the inflation rate loses purchasing power over time, even though the dollar amount stays the same.