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Convert 1 Old Mauritanian Ouguiya (MRO) to Mexican Peso (MXN)

Convert old Mauritanian ouguiyas to Mexican pesos at the live mid-market rate. Reverse: MXN 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 MRU to MXN.

1 Old Mauritanian Ouguiya =

0.05088 MXN 0.00% today

1 MRO = 0.0508762 MXN · 1 MXN = 19.6555 MRO

Mid-market rate, updated 08:04 UTC. Paid plans update as often as every 60 seconds. Get MRO→MXN rates via API

MRO to MXN over the last year

0.0480.050.052Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.052354
52-week low
0.047307
52-week average
0.049400
Change over the year
−1.28%

Conversion tables

MRO to MXN
MRO MXN
1 MRO 0.05088 MXN
10 MRO 0.5088 MXN
100 MRO 5.09 MXN
1,000 MRO 50.88 MXN
10,000 MRO 508.76 MXN
50,000 MRO 2,543.81 MXN
100,000 MRO 5,087.62 MXN
MXN to MRO
MXN MRO
1 MXN 19.66 MRO
10 MXN 196.56 MRO
100 MXN 1,965.55 MRO
1,000 MXN 19,655.55 MRO
10,000 MXN 196,555.48 MRO
50,000 MXN 982,777.40 MRO
100,000 MXN 1,965,554.80 MRO

Get MRO→MXN rates via API

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

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

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Questions about MRO to MXN

How much is 1 MRO in MXN?

1 Old Mauritanian Ouguiya is 0.05088 Mexican pesos at the mid-market rate of 4 October 2026, 08:04 UTC, when 1 MRO = 0.0508762 MXN.

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

Over the last 52 weeks 1 MRO ranged from 0.047307 to 0.0523535 MXN, 0.0494004 MXN on average.

Which exchange rate is this?

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