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Old Mauritanian Ouguiya (MRO) to Polish Zloty (PLN)

Convert old Mauritanian ouguiyas to Polish zlotys at the live mid-market rate. Reverse: PLN 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 PLN.

1 Old Mauritanian Ouguiya =

0.01091 PLN 0.00% today

1 MRO = 0.0109081 PLN · 1 PLN = 91.6747 MRO

Mid-market rate, updated 09:39 UTC. Paid plans update as often as every 60 seconds. Get MRO→PLN rates via API

MRO to PLN over the last year

0.010.0105Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.010908
52-week low
0.009788
52-week average
0.010283
Change over the year
+7.50%

Conversion tables

MRO to PLN
MRO PLN
1 MRO 0.01091 PLN
10 MRO 0.1091 PLN
100 MRO 1.09 PLN
1,000 MRO 10.91 PLN
10,000 MRO 109.08 PLN
50,000 MRO 545.41 PLN
100,000 MRO 1,090.81 PLN
PLN to MRO
PLN MRO
1 PLN 91.67 MRO
10 PLN 916.75 MRO
100 PLN 9,167.47 MRO
1,000 PLN 91,674.74 MRO
10,000 PLN 916,747.36 MRO
50,000 PLN 4,583,736.80 MRO
100,000 PLN 9,167,473.59 MRO

Get MRO→PLN rates via API

The live rate, the rate on any past day or a whole range, for PLN 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=PLN \
  -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=PLN \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about MRO to PLN

How much is 1 MRO in PLN?

1 Old Mauritanian Ouguiya is 0.0109081 Polish zlotys at the mid-market rate of 4 October 2026, 09:39 UTC, and 1 PLN is 91.6747 MRO.

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

Over the last 52 weeks 1 MRO ranged from 0.00978777 to 0.0109081 PLN, 0.0102829 PLN on average.

Which exchange rate is this?

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