How much is $100 in 1980 worth today?

$100 in 1980 is worth $406.53 in August 2026 dollars, according to the U.S. Consumer Price Index.

How much would I need today to match $100 in 1980?

You would need $406.53 to buy what $100 bought in 1980. That is 4.07 times as much.

Kept as cash, $100 from 1980 buys only what $24.60 of 1980 money bought. It has lost 75% of its buying power.

Prices rose 13.5% in 1980. Since then the average has been 3.09% a year.

$100 in 1980 has the same buying power as

$406.53 in August 2026

That is 307% more, an average inflation rate of 3.09% a year over 46 years.

Put the other way, $100 today buys what $24.60 bought in 1980. Cash kept under the mattress since 1980 has lost 75% of its value.

$100 from 1980 in each later year's dollars

Not everything rose at the same pace. What $100 spent on each of these in 1980 costs today:

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

$100.00 in 1980 has the same buying power as

$406.53 in August 2026

Prices rose 306.5% in total, an average of 3.09% a year.

How much is $100 in 1980 worth today?: $100 in 1980 is worth $406.53 in August 2026 dollars, according to the U.S. Consumer Price Index.
How much would I need today to match $100 in 1980?: You would need $406.53 to buy what $100 bought in 1980. That is 4.07 times as much.
How much buying power has $100 lost since 1980?: Kept as cash, $100 from 1980 buys only what $24.60 of 1980 money bought. It has lost 75% of its buying power.
What was inflation in 1980?: Prices rose 13.5% in 1980. Since then the average has been 3.09% a year.