21 LKR to STD

21 LKR = 1,548.50 STD at the rate on 2025-09-11.

₨1 = 73.74 STD ^{-0.05 STD (-0.07%)} at the rate on 2025-09-11.

The cost of 21 Sri Lanka Rupees in Sao Tomean Dobras today is 1,548.50 STD according to the “Open Exchange Rates”, compared to yesterday, the exchange rate decreased by -0.07% (by -0.05 STD). The exchange rate of the Sri Lanka Rupee in relation to the Sao Tomean Dobra 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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Sri Lanka Rupee

LKR

Sri Lanka

Sao Tomean Dobra

STD

Sao Tome And Principe

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

19 LKR to STD	20 LKR to STD	21 LKR to STD	22 LKR to STD	23 LKR to STD
1,401.02 STD	1,474.76 STD	1,548.50 STD	1,622.23 STD	1,695.97 STD

19 LKR to STD

20 LKR to STD

21 LKR to STD

22 LKR to STD

23 LKR to STD

1,401.02 STD

1,474.76 STD

1,548.50 STD

1,622.23 STD

1,695.97 STD

Graph of change in 21 Sri Lanka Rupees to Sao Tomean Dobras rate

Select the period for plotting the chart:

The Sri Lanka Rupee to Dobra 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 Rupees (LKR) in Dobras (STD)

Changes for the week (7 days)
Date	Day of the week	21 LKR to STD	Changes	Changes %
September 5, 2025	Friday	21 LKR = 1,548.80 STD	-	-
September 6, 2025	Saturday	21 LKR = 1,548.80 STD	-	-
September 7, 2025	Sunday	21 LKR = 1,553.74 STD	+4.94 STD	+0.32%
September 8, 2025	Monday	21 LKR = 1,554.51 STD	+0.77 STD	+0.05%
September 9, 2025	Tuesday	21 LKR = 1,549.54 STD	-4.97 STD	-0.32%
September 10, 2025	Wednesday	21 LKR = 1,549.63 STD	+0.09 STD	+0.01%
September 11, 2025 (today)	Thursday	21 LKR = 1,548.50 STD	-1.14 STD	-0.07%
The cost of 21 Rupees (LKR) in Sao Tomean Dobras for a week (7 days) decreased by -0.30 STD (zero dobra thirty centimos).

Changes for the month (30 days)
Date	Day of the week	21 LKR to STD	Changes	Changes %
August 12, 2025	Tuesday	21 LKR = 1,553.81 STD	-1.37 STD	-0.09%
September 11, 2025 (today)	Thursday	21 LKR = 1,548.50 STD	-5.32 STD	-0.34%
The cost of 21 Rupees (LKR) in Sao Tomean Dobras for a month (30 days) decreased by -5.32 STD (five dobras thirty-two centimos).

Changes for the year (365 days)
Date	Day of the week	21 LKR to STD	Changes	Changes %
September 11, 2024	Wednesday	21 LKR = 1,556.89 STD	-0.20 STD	-0.01%
September 11, 2025 (today)	Thursday	21 LKR = 1,548.50 STD	-8.40 STD	-0.54%
The cost of 21 Rupees (LKR) in Sao Tomean Dobras for a year (365 days) decreased by -8.40 STD (eight dobras forty centimos).

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Graph of change in 21 Sri Lanka Rupees to Sao Tomean Dobras rate

Dynamics of the cost changes of 21 Rupees (LKR) in Dobras (STD)

Cross rate of 21 LKR to other currencies