21 IDR to AUD

21 IDR = 0.0019 AUD at the rate on 2025-09-10.

Rp1 = $0.0001 ^{-$0.00000042 (-0.46%)} at the rate on 2025-09-10.

The cost of 21 Indonesian Rupiah in Australian Dollars today is $0.0019 according to the “Open Exchange Rates”, compared to yesterday, the exchange rate decreased by -0.46% (by -$0.00000042). The exchange rate of the Indonesian Rupiah in relation to the Australian Dollar on the chart, the table of the dynamics of the cost as a percentage for the day, week, month and year.

Currency Converter

Indonesian Rupiah

IDR

Indonesia

Australian Dollar

AUD

Australia

With the currency converter, you can convert 21 Indonesian Rupiah to Dollars and find out how much twenty-one rupiah is currently worth in Dollars. Also, you can make a reverse calculation and find out the current value of 21 Dollars in Indonesian Rupiah.

19 IDR to AUD	20 IDR to AUD	21 IDR to AUD	22 IDR to AUD	23 IDR to AUD
$0.0017	$0.0018	$0.0019	$0.0020	$0.0021

19 IDR to AUD

20 IDR to AUD

21 IDR to AUD

22 IDR to AUD

23 IDR to AUD

$0.0017

$0.0018

$0.0019

$0.0020

$0.0021

Graph of change in 21 Indonesian Rupiah to Australian Dollars rate

Select the period for plotting the chart:

The Indonesian Rupiah to Dollar exchange rate on the chart allows you to track changes over different periods and draw conclusions about possible forecasts of the exchange rate of one currency in relation to another.

Dynamics of the cost changes of 21 Rupiah (IDR) in Dollars (AUD)

Changes for the week (7 days)
Date	Day of the week	21 IDR to AUD	Changes	Changes %
September 4, 2025	Thursday	21 IDR = 0.0020 AUD	+0.000009 AUD	+0.44%
September 5, 2025	Friday	21 IDR = 0.0020 AUD	-0.000002 AUD	-0.09%
September 6, 2025	Saturday	21 IDR = 0.0020 AUD	-0.00000030 AUD	-0.02%
September 7, 2025	Sunday	21 IDR = 0.0020 AUD	+0.000001 AUD	+0.03%
September 8, 2025	Monday	21 IDR = 0.0019 AUD	-0.000024 AUD	-1.24%
September 9, 2025	Tuesday	21 IDR = 0.0019 AUD	+0.000005 AUD	+0.25%
September 10, 2025 (today)	Wednesday	21 IDR = 0.0019 AUD	-0.000009 AUD	-0.46%
The cost of 21 Rupiah (IDR) in Australian Dollars for a week (7 days) decreased by -$0.000029 (zero dollar twenty-nine cents).

Changes for the month (30 days)
Date	Day of the week	21 IDR to AUD	Changes	Changes %
August 11, 2025	Monday	21 IDR = 0.0020 AUD	-0.000002 AUD	-0.09%
September 10, 2025 (today)	Wednesday	21 IDR = 0.0019 AUD	-0.000049 AUD	-2.52%
The cost of 21 Rupiah (IDR) in Australian Dollars for a month (30 days) decreased by -$0.000049 (zero dollar forty-nine cents).

Changes for the year (365 days)
Date	Day of the week	21 IDR to AUD	Changes	Changes %
September 10, 2024	Tuesday	21 IDR = 0.0020 AUD	+0.000002 AUD	+0.08%
September 10, 2025 (today)	Wednesday	21 IDR = 0.0019 AUD	-0.0001 AUD	-5.62%
The cost of 21 Rupiah (IDR) in Australian Dollars for a year (365 days) decreased by -$0.0001 (zero dollar one cent).

Currency Converter

Graph of change in 21 Indonesian Rupiah to Australian Dollars rate

Dynamics of the cost changes of 21 Rupiah (IDR) in Dollars (AUD)

Cross rate of 21 IDR to other currencies