$100 in 1977 is equivalent in purchasing power to about $580.79 today, an increase of $480.79 over 44 years. The dollar had an average inflation rate of 4.08% per year between 1977 and today, producing a cumulative price increase of 480.79%.

This means that today's prices are 5.81 times higher than average prices since 1977, according to the Bureau of Statistics consumer price index. A dollar today only buys 17.22% of what it could buy back then.

The inflation rate in 1977 was 12.15%. The current year-over-year inflation rate (2020 to 2021) is now 1.55%. If this number holds, $100 today will be equivalent in buying power to $101.55 next year.

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Cumulative price change | 480.79% |

Average inflation rate | 4.08% |

Converted amount ($100 base) | $580.79 |

Price difference ($100 base) | $480.79 |

CPI in 1977 | 20.300 |

CPI in 2021 | 117.900 |

Inflation in 1977 | 12.15% |

Inflation in 2021 | 1.55% |

$100 in 1977 | $580.79 in 2021 |

This chart shows a calculation of buying power equivalence for $100 in 1977 (price index tracking began in 1922).

For example, if you started with $100, you would need to end with $580.79 in order to "adjust" for inflation (sometimes refered to as "beating inflation").

When $100 is equivalent to $580.79 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 1977 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:

This conversion table shows various other 1977 amounts in today's dollars, based on the 480.79% change in prices:

Initial value | Equivalent value |
---|---|

$1 dollar in 1977 | $5.81 dollars today |

$5 dollars in 1977 | $29.04 dollars today |

$10 dollars in 1977 | $58.08 dollars today |

$50 dollars in 1977 | $290.39 dollars today |

$100 dollars in 1977 | $580.79 dollars today |

$500 dollars in 1977 | $2,903.94 dollars today |

$1,000 dollars in 1977 | $5,807.88 dollars today |

$5,000 dollars in 1977 | $29,039.41 dollars today |

$10,000 dollars in 1977 | $58,078.82 dollars today |

$50,000 dollars in 1977 | $290,394.09 dollars today |

$100,000 dollars in 1977 | $580,788.18 dollars today |

$500,000 dollars in 1977 | $2,903,940.89 dollars today |

$1,000,000 dollars in 1977 | $5,807,881.77 dollars today |

Our calculations use the following inflation rate formula to calculate the change in value between 1977 and today:

CPI today
CPI in 1977

×

1977 AUD value

=

Today's value

Then plug in historical CPI values. The Australian CPI was 20.3 in the year 1977 and 117.9 in 2021:

117.920.3

×

$100

=

$100 in 1977 has the same "purchasing power" or "buying power" as $580.79 in 2021.

To get the total inflation rate for the 44 years between 1977 and 2021, we use the following formula:

CPI in 2021 - CPI in 1977CPI in 1977

×

100

=

Plugging in the values to this equation, we get:

117.9 - 20.320.3

×

100

=

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

- Apple Computer incorperated by Steve Jobs, Steve Wozniak, and Ronald Wayne.
- The Hindu Kubh Mela gathered 15,000,000 people, making it (at the time) the biggest crowd gathering in history.
- First Apple II computers are shipped.
- The last Guillotine execution was performed on Hamida Djandoubi, convicted torturer and murderer.

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 1977 Australian dollars today | Australia Inflation Calculator.” Official Inflation Data, Alioth Finance, 5 Dec. 2021, https://www.officialdata.org/australia/inflation/1977.

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.

Cumulative price change | 480.79% |

Average inflation rate | 4.08% |

Converted amount ($100 base) | $580.79 |

Price difference ($100 base) | $480.79 |

CPI in 1977 | 20.300 |

CPI in 2021 | 117.900 |

Inflation in 1977 | 12.15% |

Inflation in 2021 | 1.55% |

$100 in 1977 | $580.79 in 2021 |