How much is $100 in 1955 worth today?

$100 in 1955 is worth $1,249.93 in August 2026 dollars, according to the U.S. Consumer Price Index.

How much would I need today to match $100 in 1955?

You would need $1,249.93 to buy what $100 bought in 1955. That is 12.50 times as much.

Kept as cash, $100 from 1955 buys only what $8.00 of 1955 money bought. It has lost 92% of its buying power.

Prices rose -0.4% in 1955. Since then the average has been 3.61% a year.

$100 in 1955 has the same buying power as

$1,249.93 in August 2026

That is 1,150% more, an average inflation rate of 3.61% a year over 71 years.

Put the other way, $100 today buys what $8.00 bought in 1955. Cash kept under the mattress since 1955 has lost 92% of its value.

$100 from 1955 in each later year's dollars

Not everything rose at the same pace. What $100 spent on each of these in 1955 costs today:

Amount ($) From year From month To year To month

$100.00 in 1955 has the same buying power as

$1,249.93 in August 2026

Prices rose 1,149.9% in total, an average of 3.61% a year.

How much is $100 in 1955 worth today?: $100 in 1955 is worth $1,249.93 in August 2026 dollars, according to the U.S. Consumer Price Index.
How much would I need today to match $100 in 1955?: You would need $1,249.93 to buy what $100 bought in 1955. That is 12.50 times as much.
How much buying power has $100 lost since 1955?: Kept as cash, $100 from 1955 buys only what $8.00 of 1955 money bought. It has lost 92% of its buying power.
What was inflation in 1955?: Prices rose -0.4% in 1955. Since then the average has been 3.61% a year.