1. Currency converter
  2. STN to MRO

São Tomé and Príncipe Dobra (STN) to Old Mauritanian Ouguiya (MRO)

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

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 STN to MRU.

1 São Tomé and Príncipe Dobra =

16.37 MRO +0.67% today

1 STN = 16.368 MRO · 1 MRO = 0.0610947 STN

Mid-market rate, updated 05:13 UTC. Paid plans update as often as every 60 seconds. Get STN→MRO rates via API

STN to MRO over the last year

16.5017.00Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
17.291
52-week low
16.207
52-week average
16.791
Change over the year
−3.93%

Conversion tables

STN to MRO
STN MRO
1 STN 16.37 MRO
10 STN 163.68 MRO
100 STN 1,636.80 MRO
1,000 STN 16,368.04 MRO
10,000 STN 163,680.37 MRO
50,000 STN 818,401.85 MRO
100,000 STN 1,636,803.70 MRO
MRO to STN
MRO STN
1 MRO 0.06109 STN
10 MRO 0.6109 STN
100 MRO 6.11 STN
1,000 MRO 61.09 STN
10,000 MRO 610.95 STN
50,000 MRO 3,054.73 STN
100,000 MRO 6,109.47 STN

Get STN→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=STN -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=STN -d currencies=MRO \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

Related conversions

Popular São Tomé and Príncipe Dobra conversions

Popular Old Mauritanian Ouguiya conversions

Questions about STN to MRO

How much is 1 STN in MRO?

1 São Tomé and Príncipe Dobra is 16.368 old Mauritanian ouguiyas at the mid-market rate of 4 October 2026, 05:13 UTC, and 1 MRO is 0.0610947 STN.

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

Over the last 52 weeks 1 STN ranged from 16.207 to 17.2913 MRO, 16.7907 MRO on average.

Which exchange rate is this?

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