How much is $100 in 2021 worth today?

$100 in 2021 is worth $123.62 in August 2026 dollars, according to the U.S. Consumer Price Index.

How much would I need today to match $100 in 2021?

You would need $123.62 to buy what $100 bought in 2021. That is 1.24 times as much.

Kept as cash, $100 from 2021 buys only what $80.89 of 2021 money bought. It has lost 19% of its buying power.

Prices rose 4.7% in 2021. Since then the average has been 4.22% a year.

$100 in 2021 has the same buying power as

$123.62 in August 2026

That is 24% more, an average inflation rate of 4.22% a year over 5 years.

Put the other way, $100 today buys what $80.89 bought in 2021. Cash kept under the mattress since 2021 has lost 19% of its value.

$100 from 2021 in each later year's dollars

Not everything rose at the same pace. What $100 spent on each of these in 2021 costs today:

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

$100.00 in 2021 has the same buying power as

$123.62 in August 2026

Prices rose 23.6% in total, an average of 4.22% a year.

How much is $100 in 2021 worth today?: $100 in 2021 is worth $123.62 in August 2026 dollars, according to the U.S. Consumer Price Index.
How much would I need today to match $100 in 2021?: You would need $123.62 to buy what $100 bought in 2021. That is 1.24 times as much.
How much buying power has $100 lost since 2021?: Kept as cash, $100 from 2021 buys only what $80.89 of 2021 money bought. It has lost 19% of its buying power.
What was inflation in 2021?: Prices rose 4.7% in 2021. Since then the average has been 4.22% a year.