How much is $100 in 2017 worth today?

$100 in 2017 is worth $136.66 in August 2026 dollars, according to the U.S. Consumer Price Index.

How much would I need today to match $100 in 2017?

You would need $136.66 to buy what $100 bought in 2017. That is 1.37 times as much.

Kept as cash, $100 from 2017 buys only what $73.17 of 2017 money bought. It has lost 27% of its buying power.

Prices rose 2.1% in 2017. Since then the average has been 3.48% a year.

$100 in 2017 has the same buying power as

$136.66 in August 2026

That is 37% more, an average inflation rate of 3.48% a year over 9 years.

Put the other way, $100 today buys what $73.17 bought in 2017. Cash kept under the mattress since 2017 has lost 27% of its value.

$100 from 2017 in each later year's dollars

Not everything rose at the same pace. What $100 spent on each of these in 2017 costs today:

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

$100.00 in 2017 has the same buying power as

$136.66 in August 2026

Prices rose 36.7% in total, an average of 3.48% a year.

How much is $100 in 2017 worth today?: $100 in 2017 is worth $136.66 in August 2026 dollars, according to the U.S. Consumer Price Index.
How much would I need today to match $100 in 2017?: You would need $136.66 to buy what $100 bought in 2017. That is 1.37 times as much.
How much buying power has $100 lost since 2017?: Kept as cash, $100 from 2017 buys only what $73.17 of 2017 money bought. It has lost 27% of its buying power.
What was inflation in 2017?: Prices rose 2.1% in 2017. Since then the average has been 3.48% a year.