How much is $100 in 1984 worth today?

$100 in 1984 is worth $322.41 in August 2026 dollars, according to the U.S. Consumer Price Index.

How much would I need today to match $100 in 1984?

You would need $322.41 to buy what $100 bought in 1984. That is 3.22 times as much.

Kept as cash, $100 from 1984 buys only what $31.02 of 1984 money bought. It has lost 69% of its buying power.

Prices rose 4.3% in 1984. Since then the average has been 2.82% a year.

$100 in 1984 has the same buying power as

$322.41 in August 2026

That is 222% more, an average inflation rate of 2.82% a year over 42 years.

Put the other way, $100 today buys what $31.02 bought in 1984. Cash kept under the mattress since 1984 has lost 69% of its value.

$100 from 1984 in each later year's dollars

Not everything rose at the same pace. What $100 spent on each of these in 1984 costs today:

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

$100.00 in 1984 has the same buying power as

$322.41 in August 2026

Prices rose 222.4% in total, an average of 2.82% a year.

How much is $100 in 1984 worth today?: $100 in 1984 is worth $322.41 in August 2026 dollars, according to the U.S. Consumer Price Index.
How much would I need today to match $100 in 1984?: You would need $322.41 to buy what $100 bought in 1984. That is 3.22 times as much.
How much buying power has $100 lost since 1984?: Kept as cash, $100 from 1984 buys only what $31.02 of 1984 money bought. It has lost 69% of its buying power.
What was inflation in 1984?: Prices rose 4.3% in 1984. Since then the average has been 2.82% a year.