$100 in 1977 is worth $135.91 in 1980

1.36× price rise

Average US inflation: 10.77% a year over 3 years. Prices did not double in this span. Highest year: 1980 (13.5%). Lowest: 1978 (7.6%).

Converter

1977	in 1980	1980 amount in 1977 money
$1	$1.36	$0.74
$10	$13.59	$7.36
$100	$135.91	$73.58
$1,000	$1,359.09	$735.79
$10,000	$13,590.87	$7,357.88
$100,000	$135,908.72	$73,578.80

Year by year (value of $100 from 1977)

Year	Value	Inflation
1977	$100.00
1978	$107.63	7.6%
1979	$119.74	11.3%
1980	$135.91	13.5%

1977–1979 · 1977–1981 · All years

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How much is $100 from 1977 worth in 1980?

$100 in 1977 had about the same buying power as $135.91 in 1980, based on US consumer price index data.

What was the average inflation rate in US from 1977 to 1980?

About 10.77% per year, compounding to a 35.9% total rise in prices over 3 years.

Which year between 1977 and 1980 had the highest inflation?

1980 saw the largest annual rise in the index (13.5%); the lowest was 1978 (7.6%).

Historical statistics for education only. Not investment advice. US CPI: U.S. Bureau of Labor Statistics CPI-U (public domain), annual averages; 2026 = Sep 2026 index. India CPI: World Bank WDI FP.CPI.TOTL (source IMF IFS), licensed CC BY 4.0. INR/USD: Federal Reserve Board H.10. Sources & method · Embed this calculator · BacktestCard