21 IDR to BND

21 IDR = 0.0016 BND at the rate on 2025-09-12.

Rp1 = $0.0001 ^{-$0.0000000017 (-0.0021%)} at the rate on 2025-09-12.

The cost of 21 Indonesian Rupiah in Brunei Dollars today is $0.0016 according to the “Open Exchange Rates”, compared to yesterday, the exchange rate decreased by -0.0021% (by -$0.0000000017). The exchange rate of the Indonesian Rupiah in relation to the Brunei 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

Brunei Dollar

BND

Brunei Darussalam

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 BND	20 IDR to BND	21 IDR to BND	22 IDR to BND	23 IDR to BND
$0.0015	$0.0016	$0.0016	$0.0017	$0.0018

19 IDR to BND

20 IDR to BND

21 IDR to BND

22 IDR to BND

23 IDR to BND

$0.0015

$0.0016

$0.0016

$0.0017

$0.0018

Graph of change in 21 Indonesian Rupiah to Brunei 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 (BND)

Changes for the week (7 days)
Date	Day of the week	21 IDR to BND	Changes	Changes %
September 6, 2025	Saturday	21 IDR = 0.0016 BND	-0.000008 BND	-0.48%
September 7, 2025	Sunday	21 IDR = 0.0016 BND	-0.000002 BND	-0.11%
September 8, 2025	Monday	21 IDR = 0.0016 BND	-0.000012 BND	-0.74%
September 9, 2025	Tuesday	21 IDR = 0.0016 BND	+0.000003 BND	+0.18%
September 10, 2025	Wednesday	21 IDR = 0.0016 BND	+0.000004 BND	+0.26%
September 11, 2025	Thursday	21 IDR = 0.0016 BND	+0.000004 BND	+0.26%
September 12, 2025 (today)	Friday	21 IDR = 0.0016 BND	-0.00000004 BND	-0.0021%
The cost of 21 Rupiah (IDR) in Brunei Dollars for a week (7 days) decreased by -$0.000002 (zero dollar two cents).

Changes for the month (30 days)
Date	Day of the week	21 IDR to BND	Changes	Changes %
August 13, 2025	Wednesday	21 IDR = 0.0017 BND	+0.000007 BND	+0.39%
September 12, 2025 (today)	Friday	21 IDR = 0.0016 BND	-0.000026 BND	-1.58%
The cost of 21 Rupiah (IDR) in Brunei Dollars for a month (30 days) decreased by -$0.000026 (zero dollar twenty-six cents).

Changes for the year (365 days)
Date	Day of the week	21 IDR to BND	Changes	Changes %
September 12, 2024	Thursday	21 IDR = 0.0018 BND	+0.000007 BND	+0.38%
September 12, 2025 (today)	Friday	21 IDR = 0.0016 BND	-0.0001 BND	-8.14%
The cost of 21 Rupiah (IDR) in Brunei Dollars for a year (365 days) decreased by -$0.0001 (zero dollar one cent).

Currency Converter

Graph of change in 21 Indonesian Rupiah to Brunei Dollars rate

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

Cross rate of 21 IDR to other currencies