Inflation & buying power
What is 1978 dollars worth today?
$1 in 1978 has the same buying power as about $5.12 today (July 2026). Cumulative inflation since 1978 is about 412%, or roughly 3.5% per year over 48 years.
What 1978 money is worth today
| In 1978 | Worth today (July 2026) |
|---|---|
| $10.00 | $51.19 |
| $100.00 | $511.89 |
| $1,000 | $5,119 |
| $10,000 | $51,189 |
| $100,000 | $511,885 |
Based on the U.S. Consumer Price Index (CPI-U). A 1978 dollar is worth about $5.12 now.
What this means
A dollar in 1978 — during the high-inflation 1970s — stretched a lot further than it does now. To match that same buying power today you'd need about $5.12, because everyday prices have climbed about 412% in the 48 years since.
Put another way, today's dollar buys what about $0.20 bought in 1978.
The inflation behind the number
- Total inflation since 1978: about 412%.
- Average annual inflation: about 3.5% per year.
- Time span: 48 years (1978 → 2026).
- Source: CPI-U (CPIAUCNS), U.S. Bureau of Labor Statistics via FRED.
Frequently asked questions
How much is $1 from 1978 worth today?
$1 in 1978 has the same buying power as about $5.12 in July 2026, because prices have risen roughly 412% since then (an average of about 3.5% a year).
How much has inflation been since 1978?
Cumulative inflation from 1978 to July 2026 is about 412%. In other words, something that cost $100 in 1978 costs about $511.89 now.
Where does this data come from?
It uses the U.S. Consumer Price Index for All Urban Consumers (CPI-U, series CPIAUCNS) published by the U.S. Bureau of Labor Statistics via FRED, using annual-average CPI for past years and the latest monthly value for today.
Last reviewed August 31, 2026. Figures based on the Consumer Price Index (CPI) from the U.S. Bureau of Labor Statistics. Estimates for general education, not financial advice.