1. Currency converter
  2. MRO to NGN

Old Mauritanian Ouguiya (MRO) to Nigerian Naira (NGN)

Convert old Mauritanian ouguiyas to Nigerian nairas at the live mid-market rate. Reverse: NGN 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 NGN.

1 Old Mauritanian Ouguiya =

3.72 NGN 0.00% today

1 MRO = 3.72034 NGN · 1 NGN = 0.268793 MRO

Mid-market rate, updated 07:15 UTC. Paid plans update as often as every 60 seconds. Get MRO→NGN rates via API

MRO to NGN over the last year

3.804.00Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
4.1406
52-week low
3.6943
52-week average
3.8855
Change over the year
−9.09%

Conversion tables

MRO to NGN
MRO NGN
1 MRO 3.72 NGN
10 MRO 37.20 NGN
100 MRO 372.03 NGN
1,000 MRO 3,720.34 NGN
10,000 MRO 37,203.39 NGN
50,000 MRO 186,016.93 NGN
100,000 MRO 372,033.87 NGN
NGN to MRO
NGN MRO
1 NGN 0.2688 MRO
10 NGN 2.69 MRO
100 NGN 26.88 MRO
1,000 NGN 268.79 MRO
10,000 NGN 2,687.93 MRO
50,000 NGN 13,439.64 MRO
100,000 NGN 26,879.27 MRO

Get MRO→NGN rates via API

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

Related conversions

Popular Old Mauritanian Ouguiya conversions

Popular Nigerian Naira conversions

Questions about MRO to NGN

How much is 1 MRO in NGN?

1 Old Mauritanian Ouguiya is 3.72034 Nigerian nairas at the mid-market rate of 4 October 2026, 07:15 UTC, and 1 NGN is 0.268793 MRO.

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

Over the last 52 weeks 1 MRO ranged from 3.69426 to 4.1406 NGN, 3.88555 NGN on average.

Which exchange rate is this?

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