Convert 1 Mauritanian Ouguiya (MRU) to Old São Tomé Dobra (STD)

Convert Mauritanian ouguiyas to old São Tomé dobras at the live mid-market rate. Reverse: STD to MRU

The Old São Tomé Dobra is no longer in use

Old São Tomé Dobra (STD) was replaced by the São Tomé and Príncipe Dobra (STN) in 2018. For today’s money, convert MRU to STN.

Amount

From

1 Mauritanian Ouguiya =

545.81 STD −0.30% today

1 MRU = 545.809 STD · 1 STD = 0.00183214 MRU

Mid-market rate, updated 12:25 UTC. Paid plans update as often as every 60 seconds. Get MRU→STD rates via API

MRU to STD over the last year

52-week high: 549.63
52-week low: 517.10
52-week average: 532.17
Change over the year: +4.04%

Conversion tables

MRU to STD
MRU	STD
1 MRU	545.81 STD
10 MRU	5,458.09 STD
100 MRU	54,580.87 STD
1,000 MRU	545,808.72 STD
10,000 MRU	5,458,087.21 STD
50,000 MRU	27,290,436.04 STD
100,000 MRU	54,580,872.08 STD

STD to MRU
STD	MRU
1 STD	0.001832 MRU
10 STD	0.01832 MRU
100 STD	0.1832 MRU
1,000 STD	1.83 MRU
10,000 STD	18.32 MRU
50,000 STD	91.61 MRU
100,000 STD	183.21 MRU

Get MRU→STD rates via API

The live rate, the rate on any past day or a whole range, for STD and 170+ other currencies, as JSON. Free plan included. See the exchange rate API.

Get a free API key API documentation

curl https://api.currencyapi.com/v3/latest \
  -G -d base_currency=MRU -d currencies=STD \
  -H "apikey: YOUR-API-KEY"

# the rate on a past day
curl https://api.currencyapi.com/v3/historical \
  -G -d base_currency=MRU -d currencies=STD \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about MRU to STD

How much is 1 MRU in STD?

1 Mauritanian Ouguiya is 545.81 old São Tomé dobras at the mid-market rate of 4 October 2026, 12:25 UTC, when 1 MRU = 545.809 STD.

What was the MRU to STD rate over the last year?

Over the last 52 weeks 1 MRU ranged from 517.095 to 549.627 STD, 532.168 STD on average.

Which exchange rate is this?

The mid-market rate: the midpoint between what currency markets pay and ask for MRU/STD, without the margin a bank or card issuer adds, so the rate you are charged is usually a little worse.