How much is $100 in 2015 worth today?

$100 in 2015 is worth $141.33 in August 2026 dollars, according to the U.S. Consumer Price Index.

How much would I need today to match $100 in 2015?

You would need $141.33 to buy what $100 bought in 2015. That is 1.41 times as much.

Kept as cash, $100 from 2015 buys only what $70.76 of 2015 money bought. It has lost 29% of its buying power.

Prices rose 0.1% in 2015. Since then the average has been 3.16% a year.

$100 in 2015 has the same buying power as

$141.33 in August 2026

That is 41% more, an average inflation rate of 3.16% a year over 11 years.

Put the other way, $100 today buys what $70.76 bought in 2015. Cash kept under the mattress since 2015 has lost 29% of its value.

$100 from 2015 in each later year's dollars

Not everything rose at the same pace. What $100 spent on each of these in 2015 costs today:

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

$100.00 in 2015 has the same buying power as

$141.33 in August 2026

Prices rose 41.3% in total, an average of 3.16% a year.

How much is $100 in 2015 worth today?: $100 in 2015 is worth $141.33 in August 2026 dollars, according to the U.S. Consumer Price Index.
How much would I need today to match $100 in 2015?: You would need $141.33 to buy what $100 bought in 2015. That is 1.41 times as much.
How much buying power has $100 lost since 2015?: Kept as cash, $100 from 2015 buys only what $70.76 of 2015 money bought. It has lost 29% of its buying power.
What was inflation in 2015?: Prices rose 0.1% in 2015. Since then the average has been 3.16% a year.