How much is $100 in 1983 worth today?

$100 in 1983 is worth $336.33 in August 2026 dollars, according to the U.S. Consumer Price Index.

How much would I need today to match $100 in 1983?

You would need $336.33 to buy what $100 bought in 1983. That is 3.36 times as much.

Kept as cash, $100 from 1983 buys only what $29.73 of 1983 money bought. It has lost 70% of its buying power.

Prices rose 3.2% in 1983. Since then the average has been 2.85% a year.

$100 in 1983 has the same buying power as

$336.33 in August 2026

That is 236% more, an average inflation rate of 2.85% a year over 43 years.

Put the other way, $100 today buys what $29.73 bought in 1983. Cash kept under the mattress since 1983 has lost 70% of its value.

$100 from 1983 in each later year's dollars

Not everything rose at the same pace. What $100 spent on each of these in 1983 costs today:

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

$100.00 in 1983 has the same buying power as

$336.33 in August 2026

Prices rose 236.3% in total, an average of 2.85% a year.

How much is $100 in 1983 worth today?: $100 in 1983 is worth $336.33 in August 2026 dollars, according to the U.S. Consumer Price Index.
How much would I need today to match $100 in 1983?: You would need $336.33 to buy what $100 bought in 1983. That is 3.36 times as much.
How much buying power has $100 lost since 1983?: Kept as cash, $100 from 1983 buys only what $29.73 of 1983 money bought. It has lost 70% of its buying power.
What was inflation in 1983?: Prices rose 3.2% in 1983. Since then the average has been 2.85% a year.