$100 in 2015 is worth $107.80 in 2020

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Value of $100 from 2015 to 2020

$100 in 2015 is equivalent in purchasing power to about $107.80 in 2020, an increase of $7.80 over 5 years. The dollar had an average inflation rate of 1.51% per year between 2015 and 2020, producing a cumulative price increase of 7.80%.

This means that prices in 2020 are 1.08 times as high as average prices since 2015, according to the Bureau of Statistics consumer price index.

The inflation rate in 2015 was 1.51%. The inflation rate in 2020 was 0.87%. The 2020 inflation rate is lower compared to the average inflation rate of 3.90% per year between 2020 and 2024.


Inflation from 2015 to 2020
Cumulative price change7.80%
Average inflation rate1.51%
Converted amount
$100 base
$107.80
Price difference
$100 base
$7.80
CPI in 2015107.700
CPI in 2020116.100
Inflation in 20151.51%
Inflation in 20200.87%
$100 in 2015$107.80 in 2020

AUD inflation since 2015
Annual Rate, the Bureau of Statistics CPI
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Buying power of $100 in 2015

This chart shows a calculation of buying power equivalence for $100 in 2015 (price index tracking began in 1922).

For example, if you started with $100, you would need to end with $107.80 in order to "adjust" for inflation (sometimes refered to as "beating inflation").

When $100 is equivalent to $107.80 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 2015 dollars, the chart below shows how $100 is worth less over 5 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: 2015-2020
YearDollar ValueInflation Rate
2015$100.001.51%
2016$101.301.30%
2017$103.251.92%
2018$105.201.89%
2019$106.871.59%
2020$107.800.87%
2021$110.862.84%
2022$118.206.62%
2023$124.335.18%
2024$125.631.05%*
* Compared to previous annual rate. Not final. See inflation summary for latest 12-month trailing value.

This conversion table shows various other 2015 amounts in 2020 dollars, based on the 7.80% change in prices:

Conversion: 2015 dollars in 2020
Initial valueEquivalent value
$1 dollar in 2015$1.08 dollars in 2020
$5 dollars in 2015$5.39 dollars in 2020
$10 dollars in 2015$10.78 dollars in 2020
$50 dollars in 2015$53.90 dollars in 2020
$100 dollars in 2015$107.80 dollars in 2020
$500 dollars in 2015$539.00 dollars in 2020
$1,000 dollars in 2015$1,077.99 dollars in 2020
$5,000 dollars in 2015$5,389.97 dollars in 2020
$10,000 dollars in 2015$10,779.94 dollars in 2020
$50,000 dollars in 2015$53,899.72 dollars in 2020
$100,000 dollars in 2015$107,799.44 dollars in 2020
$500,000 dollars in 2015$538,997.21 dollars in 2020
$1,000,000 dollars in 2015$1,077,994.43 dollars in 2020

How to calculate inflation rate for $100, 2015 to 2020

Our calculations use the following inflation rate formula to calculate the change in value between 2015 and 2020:

CPI in 2020 CPI in 2015
×
2015 AUD value
=
2020 AUD value

Then plug in historical CPI values. The Australian CPI was 107.7 in the year 2015 and 116.1 in 2020:

116.1107.7
×
$100
=
$107.80

$100 in 2015 has the same "purchasing power" or "buying power" as $107.80 in 2020.

To get the total inflation rate for the 5 years between 2015 and 2020, we use the following formula:

CPI in 2020 - CPI in 2015CPI in 2015
×
100
=
Cumulative inflation rate (5 years)

Plugging in the values to this equation, we get:

116.1 - 107.7107.7
×
100
=
8%

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: “$100 in 2015 → 2020 | Australia Inflation Calculator.” Official Inflation Data, Alioth Finance, 28 Mar. 2024, https://www.officialdata.org/australia/inflation/2015?amount=100&endYear=2020.

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 2015 to 2020
Cumulative price change7.80%
Average inflation rate1.51%
Converted amount
$100 base
$107.80
Price difference
$100 base
$7.80
CPI in 2015107.700
CPI in 2020116.100
Inflation in 20151.51%
Inflation in 20200.87%
$100 in 2015$107.80 in 2020