21 STD to KHR

21 STD = 3.77 KHR at the rate on 2025-09-10.

1 STD = ៛0.18 ^{-៛0.0001 (-0.05%)} at the rate on 2025-09-10.

The cost of 21 Sao Tomean Dobras in Cambodian Riels today is ៛3.77 according to the “Open Exchange Rates”, compared to yesterday, the exchange rate decreased by -0.05% (by -៛0.0001). The exchange rate of the Sao Tomean Dobra in relation to the Cambodian Riel on the chart, the table of the dynamics of the cost as a percentage for the day, week, month and year.

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Sao Tomean Dobra

STD

Sao Tome And Principe

Cambodian Riel

KHR

Cambodia

With the currency converter, you can convert 21 Sao Tomean Dobras to Riels and find out how much twenty-one dobras is currently worth in Riels. Also, you can make a reverse calculation and find out the current value of 21 Riels in Sao Tomean Dobras.

19 STD to KHR	20 STD to KHR	21 STD to KHR	22 STD to KHR	23 STD to KHR
៛3.42	៛3.59	៛3.77	៛3.95	៛4.13

19 STD to KHR

20 STD to KHR

21 STD to KHR

22 STD to KHR

23 STD to KHR

៛3.42

៛3.59

៛3.77

៛3.95

៛4.13

Graph of change in 21 Sao Tomean Dobras to Cambodian Riels rate

Select the period for plotting the chart:

The Sao Tomean Dobra to Riel 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 Dobras (STD) in Riels (KHR)

Changes for the week (7 days)
Date	Day of the week	21 STD to KHR	Changes	Changes %
September 4, 2025	Thursday	21 STD = 3.78 KHR	+0.0032 KHR	+0.09%
September 5, 2025	Friday	21 STD = 3.77 KHR	-0.01 KHR	-0.15%
September 6, 2025	Saturday	21 STD = 3.77 KHR	-0.01 KHR	-0.15%
September 7, 2025	Sunday	21 STD = 3.77 KHR	+0.0011 KHR	+0.03%
September 8, 2025	Monday	21 STD = 3.77 KHR	-0.0003 KHR	-0.01%
September 9, 2025	Tuesday	21 STD = 3.78 KHR	+0.01 KHR	+0.18%
September 10, 2025 (today)	Wednesday	21 STD = 3.77 KHR	-0.0019 KHR	-0.05%
The cost of 21 Dobras (STD) in Cambodian Riels for a week (7 days) decreased by -៛0.01 (zero riel one sen).

Changes for the month (30 days)
Date	Day of the week	21 STD to KHR	Changes	Changes %
August 11, 2025	Monday	21 STD = 3.78 KHR	+0.01 KHR	+0.14%
September 10, 2025 (today)	Wednesday	21 STD = 3.77 KHR	-0.0014 KHR	-0.04%
The cost of 21 Dobras (STD) in Cambodian Riels for a month (30 days) decreased by -៛0.0014 (zero riel fourteen sen).

Changes for the year (365 days)
Date	Day of the week	21 STD to KHR	Changes	Changes %
September 10, 2024	Tuesday	21 STD = 3.84 KHR	-0.0049 KHR	-0.13%
September 10, 2025 (today)	Wednesday	21 STD = 3.77 KHR	-0.06 KHR	-1.65%
The cost of 21 Dobras (STD) in Cambodian Riels for a year (365 days) decreased by -៛0.06 (zero riel six sen).

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Graph of change in 21 Sao Tomean Dobras to Cambodian Riels rate

Dynamics of the cost changes of 21 Dobras (STD) in Riels (KHR)

Cross rate of 21 STD to other currencies