$100 in 1976 is worth $645.96 today

Why a dollar today is worth only 15% of a dollar in 1976

Updated: June 11, 2020

According to the Bureau of Statistics consumer price index, today's prices in 2020 are 545.96% higher than average prices since 1976. This means that a dollar today only buys 15.48% of what it could buy in 1976. The Australian dollar experienced an average inflation rate of 4.33% per year during this period, causing the real value of a dollar to decrease.

In other words, $100 in 1976 is equivalent in purchasing power to about $645.96 in 2020, a difference of $545.96 over 44 years.

The 1976 inflation rate was 13.13%. The current year-over-year inflation rate (2019 to 2020) is now 1.90%1. If this number holds, $100 today will be equivalent in buying power to $101.90 next year.


Inflation from 1976 to 2020
Cumulative price change 545.96%
Average inflation rate 4.33%
Converted amount ($100 base) $645.96
Price difference ($100 base) $545.96
CPI in 1976 18.100
CPI in 2020 116.919
Inflation in 1976 13.13%
Inflation in 2020 1.90%

AUD Inflation since 1922
Annual Rate, the Bureau of Statistics CPI
Download

Buying power of $100 in 1976

This chart shows a calculation of buying power equivalence for $100 in 1976 (price index tracking began in 1922).

For example, if you started with $100, you would need to end with $645.96 in order to "adjust" for inflation (sometimes refered to as "beating inflation").

When $100 is equivalent to $645.96 over time, that means that the "real value" of a single Australian dollar decreases over time. In other words, a dollar will pay for fewer items at the store.

This effect explains how inflation erodes the value of a dollar over time. By calculating the value in 1976 dollars, the chart below shows how $100 is worth less over 44 years.

According to the Bureau of Statistics, each of these AUD amounts below is equal in terms of what it could buy at the time:

Dollar inflation: 1976-2020
Year Dollar Value Inflation Rate
1976 $100.00 13.13%
1977 $112.15 12.15%
1978 $120.99 7.88%
1979 $132.04 9.13%
1980 $145.86 10.46%
1981 $159.67 9.47%
1982 $177.35 11.07%
1983 $195.58 10.28%
1984 $203.31 3.95%
1985 $216.57 6.52%
1986 $236.46 9.18%
1987 $256.35 8.41%
1988 $275.14 7.33%
1989 $295.58 7.43%
1990 $317.68 7.48%
1991 $327.62 3.13%
1992 $330.94 1.01%
1993 $336.46 1.67%
1994 $343.09 1.97%
1995 $359.12 4.67%
1996 $368.51 2.62%
1997 $369.61 0.30%
1998 $372.38 0.75%
1999 $377.90 1.48%
2000 $395.03 4.53%
2001 $412.15 4.34%
2002 $424.86 3.08%
2003 $436.46 2.73%
2004 $446.41 2.28%
2005 $458.56 2.72%
2006 $474.59 3.49%
2007 $485.64 2.33%
2008 $507.18 4.44%
2009 $516.02 1.74%
2010 $530.94 2.89%
2011 $548.62 3.33%
2012 $558.01 1.71%
2013 $571.82 2.48%
2014 $586.19 2.51%
2015 $595.03 1.51%
2016 $602.76 1.30%
2017 $614.36 1.92%
2018 $622.10 1.26%
2019 $633.92 1.90%
2020 $645.96 1.90%*
* Compared to previous annual rate. Not final. See inflation summary for latest 12-month trailing value.
Click to show 38 more rows

This conversion table shows various other 1976 amounts in today's dollars, based on the 545.96% change in prices:

Conversion Table: Value of a dollar today
Initial value Equivalent value
$1 dollar in 1976 $6.46 dollars today
$5 dollars in 1976 $32.30 dollars today
$10 dollars in 1976 $64.60 dollars today
$50 dollars in 1976 $322.98 dollars today
$100 dollars in 1976 $645.96 dollars today
$500 dollars in 1976 $3,229.82 dollars today
$1,000 dollars in 1976 $6,459.64 dollars today
$5,000 dollars in 1976 $32,298.19 dollars today
$10,000 dollars in 1976 $64,596.38 dollars today
$50,000 dollars in 1976 $322,981.90 dollars today
$100,000 dollars in 1976 $645,963.80 dollars today
$500,000 dollars in 1976 $3,229,819.02 dollars today
$1,000,000 dollars in 1976 $6,459,638.04 dollars today

How to Calculate Inflation Rate for $100 since 1976

Our calculations use the following inflation rate formula to calculate the change in value between 1976 and today:

CPI today CPI in 1976
×
1976 AUD value
=
Today's value

Then plug in historical CPI values. The Australian CPI was 18.1 in the year 1976 and 116.91944859999998 in 2020:

116.9194485999999818.1
×
$100
=
$645.96

$100 in 1976 has the same "purchasing power" or "buying power" as $645.96 in 2020.

To get the total inflation rate for the 44 years between 1976 and 2020, we use the following formula:

CPI in 2020 - CPI in 1976CPI in 1976
×
100
=
Cumulative inflation rate (44 years)

Plugging in the values to this equation, we get:

116.91944859999998 - 18.118.1
×
100
=
546%

News headlines from 1976

Politics and news often influence economic performance. Here's what was happening at the time:

  • Steve Jobs and Stebe Wozniak invent the Apple Computer in Job's parents' garage.
  • The US Viking 1 lands on Mars, becoming the first man-built object on the Red Planet.
  • Osvaldo Dorticos Torrado is replaced as Cuban President by Fidel Castro.

Data Source & Citation

Raw data for these calculations comes from the government of Australia's annual (CPI) as provided by the Reserve Bank of Australia. The consumer price index was established in 1922 and is tracked by Australian Bureau of Statistics (ABS).

You may use the following MLA citation for this page: “Value of 1976 dollars today | Australia Inflation Calculator.” Official Inflation Data, Alioth Finance, 7 Jul. 2020, https://www.officialdata.org/australia/inflation/1976.

Special thanks to QuickChart for their chart image API, which is used for chart downloads.

in2013dollars.com is a reference website maintained by the Official Data Foundation.


Ian Webster

About the author

Ian Webster is an engineer and data expert based in San Mateo, California. He has worked for Google, NASA, and consulted for governments around the world on data pipelines and data analysis. Disappointed by the lack of clear resources on the impacts of inflation on economic indicators, Ian believes this website serves as a valuable public tool. Ian earned his degree in Computer Science from Dartmouth College.

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Inflation from 1976 to 2020
Cumulative price change 545.96%
Average inflation rate 4.33%
Converted amount ($100 base) $645.96
Price difference ($100 base) $545.96
CPI in 1976 18.100
CPI in 2020 116.919
Inflation in 1976 13.13%
Inflation in 2020 1.90%