How much is $100 in 1998 worth today?

$100 in 1998 is worth $205.51 in August 2026 dollars, according to the U.S. Consumer Price Index.

How much would I need today to match $100 in 1998?

You would need $205.51 to buy what $100 bought in 1998. That is 2.06 times as much.

Kept as cash, $100 from 1998 buys only what $48.66 of 1998 money bought. It has lost 51% of its buying power.

Prices rose 1.6% in 1998. Since then the average has been 2.59% a year.

$100 in 1998 has the same buying power as

$205.51 in August 2026

That is 106% more, an average inflation rate of 2.59% a year over 28 years.

Put the other way, $100 today buys what $48.66 bought in 1998. Cash kept under the mattress since 1998 has lost 51% of its value.

$100 from 1998 in each later year's dollars

Not everything rose at the same pace. What $100 spent on each of these in 1998 costs today:

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

$100.00 in 1998 has the same buying power as

$205.51 in August 2026

Prices rose 105.5% in total, an average of 2.59% a year.

How much is $100 in 1998 worth today?: $100 in 1998 is worth $205.51 in August 2026 dollars, according to the U.S. Consumer Price Index.
How much would I need today to match $100 in 1998?: You would need $205.51 to buy what $100 bought in 1998. That is 2.06 times as much.
How much buying power has $100 lost since 1998?: Kept as cash, $100 from 1998 buys only what $48.66 of 1998 money bought. It has lost 51% of its buying power.
What was inflation in 1998?: Prices rose 1.6% in 1998. Since then the average has been 2.59% a year.