Adjustment inputs 1913–2024
$
Then→now converts start-year dollars into what they would buy in the target year; now→then reverses it. All values live-update as you type or edit any CPI.
Adjustment results no years selected
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Enter a dollar amount, a starting year and a target year. Prices are adjusted by the ratio of each year's annual-average CPI-U.
Then → Now · start-year dollars in target-year purchasing power
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The amount from the starting year, expressed at target-year price levels.
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Now → Then · target-year dollars in start-year purchasing power
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The amount from the target year, expressed back in starting-year dollars.
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Key statistics from the CPI ratio
Total change
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price level shift, start → target
Avg annual rate
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CAGR inflation over the span
Price factor
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multiplier applied then → now
Value change
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then → now dollars gained
Selected years the two anchors
| Year | Annual avg CPI | Role | Source |
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CPI data — US annual average BLS CPI-U · 1982–84 = 100 · editable
112 years
| Year | CPI | Edit |
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