$100 in 1939 is worth $2,393 today

$100 in January 1939 had the same buying power as $2,393 in Aug 2026. Prices have risen 2293% since then. Change the amount or the months below.

US CPI data through Aug 2026, updated monthly. How we calculate
From
To

$100 in Jan 1939 is worth, in Aug 2026

$2,392.71

Prices rose 2292.7% in total, about 3.69% a year. Cash kept under the mattress since Jan 1939 now buys only 4% of what it used to.

2292.7%Total inflation
3.69%Average per year
4%Buying power left in cash
$0$1k$2k$3kJan 1939Jan 1951Jan 1963Jan 1975Jan 1987Jan 1999Jan 2011Jan 2023
Cost of what $100 bought in Jan 1939

US Consumer Price Index (CPI-U, all items, not seasonally adjusted), Bureau of Labor Statistics. Data through Aug 2026. Oct 2025 was not published and is estimated from the months around it.

What $100 from 1939 is worth now

$2,393Same buying power today
2293%Price rise since 1939
3.7%Average inflation a year
4.2%Buying power left in cash

Prices in the US have risen 2293% since 1939, so it takes $2,393 today to buy what $100 bought then. Put the other way, $100 kept in cash since 1939 now buys only 4.2% of what it did.

That is an average of 3.7% a year over 88 years. Price controls held prices down during World War II, then prices jumped when they ended in 1946.

For contrast, $100 put into the S&P 500 in January 1939, with dividends reinvested, would be worth about $1,166,609 today, 488× what inflation alone requires. Cash loses buying power; invested money has historically outgrown it.

$100 from 1939 in later years
YearSame buying power
1939$100
1940$99.29
1950$168
1960$209
1970$270
1980$556
1990$910
2000$1,206
2010$1,548
2020$1,843
Aug 2026$2,393

CPI in January of each year; the last row uses the latest month.

Other years

Common questions

How much is $100 from 1939 worth today?

About $2,393 in Aug 2026 dollars, based on the US Consumer Price Index (CPI-U) from January 1939.

How much have prices gone up since 1939?

2293% in total, or about 3.7% a year on average.

What would $100 in 1939 buy today?

It buys about 4.2% of what it bought in 1939. You would need $2,393 to buy the same things.

How is this calculated?

Today's value = $100 × (latest CPI ÷ CPI in January 1939). CPI is the Bureau of Labor Statistics measure of the prices US households pay.

Based on the US Consumer Price Index for All Urban Consumers (CPI-U), all items, from the Bureau of Labor Statistics. Individual prices, such as homes, college or healthcare, rose faster or slower than the average.

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