$100 in 1988 is worth $115.13 in 1991

1.15× price rise

Average US inflation: 4.81% a year over 3 years. Prices did not double in this span. Highest year: 1990 (5.4%). Lowest: 1991 (4.2%).

Converter

1988	in 1991	1991 amount in 1988 money
$1	$1.15	$0.87
$10	$11.51	$8.69
$100	$115.13	$86.86
$1,000	$1,151.27	$868.60
$10,000	$11,512.72	$8,686.05
$100,000	$115,127.18	$86,860.47

Year by year (value of $100 from 1988)

Year	Value	Inflation
1988	$100.00
1989	$104.79	4.8%
1990	$110.47	5.4%
1991	$115.13	4.2%

1988–1990 · 1988–1992 · All years

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How much is $100 from 1988 worth in 1991?

$100 in 1988 had about the same buying power as $115.13 in 1991, based on US consumer price index data.

What was the average inflation rate in US from 1988 to 1991?

About 4.81% per year, compounding to a 15.1% total rise in prices over 3 years.

Which year between 1988 and 1991 had the highest inflation?

1990 saw the largest annual rise in the index (5.4%); the lowest was 1991 (4.2%).

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