How much is $100 in 2005 worth today?

$100 in 2005 is worth $171.52 in August 2026 dollars, according to the U.S. Consumer Price Index.

How much would I need today to match $100 in 2005?

You would need $171.52 to buy what $100 bought in 2005. That is 1.72 times as much.

Kept as cash, $100 from 2005 buys only what $58.30 of 2005 money bought. It has lost 42% of its buying power.

Prices rose 3.4% in 2005. Since then the average has been 2.59% a year.

$100 in 2005 has the same buying power as

$171.52 in August 2026

That is 72% more, an average inflation rate of 2.59% a year over 21 years.

Put the other way, $100 today buys what $58.30 bought in 2005. Cash kept under the mattress since 2005 has lost 42% of its value.

$100 from 2005 in each later year's dollars

Not everything rose at the same pace. What $100 spent on each of these in 2005 costs today:

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

$100.00 in 2005 has the same buying power as

$171.52 in August 2026

Prices rose 71.5% in total, an average of 2.59% a year.

How much is $100 in 2005 worth today?: $100 in 2005 is worth $171.52 in August 2026 dollars, according to the U.S. Consumer Price Index.
How much would I need today to match $100 in 2005?: You would need $171.52 to buy what $100 bought in 2005. That is 1.72 times as much.
How much buying power has $100 lost since 2005?: Kept as cash, $100 from 2005 buys only what $58.30 of 2005 money bought. It has lost 42% of its buying power.
What was inflation in 2005?: Prices rose 3.4% in 2005. Since then the average has been 2.59% a year.