Value of $1 in 1980 Today: 1980 Inflation Calculator

$1 in 1980 has the same buying power as $4.09 in September 2026, and $100 from 1980 is worth $408.91. Change the amount or dates below to convert any 1980 price into today's dollars with official BLS CPI data.

Annual average uses the CPI for the whole year.
Latest published CPI: September 2026.
Value after inflation
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Cumulative price change–
Average inflation rate–
CPI-U at start–
CPI-U at end–

Source: U.S. Bureau of Labor Statistics, CPI for All Urban Consumers (CPI-U), U.S. city average, all items, not seasonally adjusted, 1982-84=100 (BLS series CUUR0000SA0). Data through September 2026.

What is $1 from 1980 worth today?

$1 in 1980 is worth $4.09 in September 2026, based on the official Consumer Price Index. Prices have risen 309% since 1980, an average of 3.09% a year over 46 years. In other words, prices have doubled about 2.0 times, and a dollar today buys 24.5% of what it bought in 1980.

The same ratio applies to any amount: $20 from 1980 is worth $81.78, $100 is worth $408.91 and $1,000 is worth $4,089 in today's dollars.

Inflation in 1980

The CPI-U averaged 82.4 in 1980, up 13.5% from 72.6 in 1979. From December 1979 to December 1980, prices rose 12.5%. This was the period of the 1979-80 oil shock. Ranked by annual inflation, 1980 is number 6 of the 112 years from 1914 to 2025.

In the 1980s, annual inflation averaged 5.5% a year. The highest rate was 13.5% in 1980 and the lowest 1.9% in 1986, so 1980 had the decade's highest inflation.

1980 prices in today's money, and today's prices in 1980 money

If something cost $5 in 1980, the same buying power today is $20.45. Going the other way, $100 in September 2026 would have bought what $24.46 bought in 1980, and a $60,000 salary today has the buying power of a $14,673 salary in 1980.

If your pay in 1980 was, say, $1,000 a month, you would need about $4,089 a month in September 2026 to afford the same basket of goods and services. Remember that this is an average across consumer spending: some prices, such as housing, health care and tuition, have risen faster than the CPI, while others have risen more slowly.

How this 1980 inflation figure is calculated

The calculation divides the latest CPI-U (336.94 for September 2026) by the 1980 annual average (82.4): 336.94 ÷ 82.4 = 4.0891. Multiply any 1980 amount by 4.0891 to convert it to September 2026 dollars. The data is the CPI for All Urban Consumers, U.S. city average, all items, not seasonally adjusted (BLS series CUUR0000SA0), published by the U.S. Bureau of Labor Statistics.

Use the calculator above to pick a specific month in 1980 or a different end date. See also $1 in 1979 and $1 in 1981. All years are on the main US inflation calculator page.

Monthly CPI-U in 1980

MonthCPI-U12-month change$100 then is worth now
January 198077.813.9%$433
February 198078.914.2%$427
March 198080.114.8%$421
April 19808114.7%$416
May 198081.814.4%$412
June 198082.714.4%$407
July 198082.713.1%$407
August 198083.312.9%$404
September 19808412.6%$401
October 198084.812.8%$397
November 198085.512.6%$394
December 198086.312.5%$390

CPI-U, not seasonally adjusted, 1982-84=100. "Worth now" uses September 2026 (336.94).

What $100 from 1980 was worth in later years

YearCPI-U$100 from 1980 equals
1990130.7$159
2000172.2$209
2010218.056$265
2020258.811$314
September 2026336.94$409

Value of $1 in 1980: frequently asked questions

How much is $1 from 1980 worth today?

$1 from 1980 is worth about $4.09 in September 2026, based on the CPI-U (1980 annual average 82.4; September 2026 336.94).

How much is $100 in 1980 worth today?

$100 in 1980 has the buying power of about $408.91 in September 2026. Prices have risen 309% since 1980.

What was the inflation rate in 1980?

The annual average CPI-U rose 13.5% in 1980, and prices rose 12.5% from December 1979 to December 1980.

What would $100 today have been worth in 1980?

$100 in September 2026 had the buying power of about $24.46 in 1980.

What was the average inflation rate since 1980?

Prices have risen an average of 3.09% a year from 1980 to September 2026, for a total increase of 309%.

Value of a dollar by year