How much is $100 from 1977 worth today?

About $551.82 in 2026 dollars, based on the annual-average U.S. Consumer Price Index (CPI-U). 2026 is an estimate until the full-year CPI is published.

What was the inflation rate from 1977 to 2026?

Cumulative inflation was 451.8%, an average of 3.55% per year over 49 years.

What would $100 today have bought in 1977?

Today’s $100 buys what about $18.12 bought in 1977.

What was the highest one-year inflation since 1977?

1980, when the CPI rose 13.5% over the year before.

$100 in 1977 is worth $551.82 in 2026

$100 in 1977 has the same buying power as $551.82 in 2026. Prices rose 451.8% — about 3.55% a year. See $1 to $100,000 from 1977 in today’s dollars, using U.S. CPI-U.

Cumulative inflation

451.8%

1977 → 2026

Average per year

3.55%

over 49 years

$100 today in 1977

$18.12

same buying power

Loading calculator…

2026 uses the Minneapolis Fed’s estimate of the annual-average CPI until the full year is published.

What $100 from 1977 is worth, year by year

Year	$100 from 1977 equals
1977	$100.00
1982	$159.24
1987	$187.46
1992	$231.52
1997	$264.85
2002	$296.86
2007	$342.08
2012	$378.88
2017	$404.46
2022	$483.00
2026	$551.82

1977 dollars in 2026 dollars

In 1977	In 2026
$1.00	$5.52
$5.00	$27.59
$10.00	$55.18
$20.00	$110.36
$50.00	$275.91
$100.00	$551.82
$500.00	$2,759.08
$1,000.00	$5,518.15
$5,000.00	$27,590.76
$10,000.00	$55,181.52
$50,000.00	$275,907.59
$100,000.00	$551,815.18

How this is calculated

Value today = amount × (CPI in 2026 ÷ CPI in 1977). The Consumer Price Index for All Urban Consumers (CPI-U, annual average) tracks what a typical basket of goods and services costs. Between 1977 and 2026the index rose by a factor of 5.518, so every 1977 dollar needs about $5.52 today to buy the same things. The biggest single-year jump in that span was 13.5% in 1980.

Frequently asked questions

How much is $100 from 1977 worth today?: About $551.82 in 2026 dollars, based on the annual-average U.S. Consumer Price Index (CPI-U). 2026 is an estimate until the full-year CPI is published.
What was the inflation rate from 1977 to 2026?: Cumulative inflation was 451.8%, an average of 3.55% per year over 49 years.
What would $100 today have bought in 1977?: Today’s $100 buys what about $18.12 bought in 1977.
What was the highest one-year inflation since 1977?: 1980, when the CPI rose 13.5% over the year before.

$100 in other years

Any amount, any two years — open the inflation calculator