$10,000 in 1940 is worth how much today?
$240,528.26 in Sep 2026 dollars
$10,000 in 1940 had the same purchasing power as $240,528.26 in Sep 2026. Prices are 24.05× higher, so a dollar from 1940 buys what about $24.05 buys today. Put the other way, $10,000 held as cash since 1940 has lost about 96% of its buying power. Inflation in 1940 was 0.7%. Over the following decade, prices rose 70%.
BLS average item prices start around 1980, so item-by-item comparisons aren't available for 1940. Browse item price histories for later years.
To earn the same today
Someone earning $10,000 a month in 1940 would need about $240,528.26 a month in Sep 2026 to keep the same standard of living, based on CPI-U.
Other amounts: $100 · $1,000 · full 1940 inflation table
Nearby years: 1930 · 1933 · 1935 · 1945 · 1950