Convert 100,000 Old São Tomé Dobra (STD) to Old Mauritanian Ouguiya (MRO)

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

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 STN to MRO.

The Old Mauritanian Ouguiya is no longer in use

Old Mauritanian Ouguiya (MRO) was replaced by the Mauritanian Ouguiya (MRU) in 2018. For today’s money, convert STD to MRU.

Amount

From

100,000 old São Tomé dobras =

1,636.80 MRO +0.67% today

1 STD = 0.016368 MRO · 1 MRO = 61.0947 STD

Mid-market rate, updated 06:25 UTC. Paid plans update as often as every 60 seconds. Get STD→MRO rates via API

STD to MRO over the last year

52-week high: 0.017291
52-week low: 0.016207
52-week average: 0.016792
Change over the year: −3.93%

Conversion tables

STD to MRO
STD	MRO
1 STD	0.01637 MRO
10 STD	0.1637 MRO
100 STD	1.64 MRO
1,000 STD	16.37 MRO
10,000 STD	163.68 MRO
50,000 STD	818.40 MRO
100,000 STD	1,636.80 MRO

MRO to STD
MRO	STD
1 MRO	61.09 STD
10 MRO	610.95 STD
100 MRO	6,109.47 STD
1,000 MRO	61,094.68 STD
10,000 MRO	610,946.84 STD
50,000 MRO	3,054,734.18 STD
100,000 MRO	6,109,468.37 STD

Get STD→MRO rates via API

The live rate, the rate on any past day or a whole range, for MRO 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=STD -d currencies=MRO \
  -H "apikey: YOUR-API-KEY"

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

Related conversions

Popular Old São Tomé Dobra conversions

Popular Old Mauritanian Ouguiya conversions

Questions about STD to MRO

How much is 100,000 STD in MRO?

100,000 old São Tomé dobras is 1,636.80 old Mauritanian ouguiyas at the mid-market rate of 4 October 2026, 06:25 UTC, when 1 STD = 0.016368 MRO.

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

Over the last 52 weeks 1 STD ranged from 0.016207 to 0.0172913 MRO, 0.0167919 MRO on average.

Which exchange rate is this?

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