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Nicaraguan Córdoba (NIO) to Old Mauritanian Ouguiya (MRO)

Convert Nicaraguan córdobas to old Mauritanian ouguiyas at the live mid-market rate. Reverse: MRO to NIO

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 NIO to MRU.

1 Nicaraguan Córdoba =

9.71 MRO +0.09% today

1 NIO = 9.70849 MRO · 1 MRO = 0.103003 NIO

Mid-market rate, updated 23:06 UTC. Paid plans update as often as every 60 seconds. Get NIO→MRO rates via API

NIO to MRO over the last year

9.6759.709.7259.75Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
9.7516
52-week low
9.6796
52-week average
9.7101
Change over the year
+0.05%

Conversion tables

NIO to MRO
NIO MRO
1 NIO 9.71 MRO
10 NIO 97.08 MRO
100 NIO 970.85 MRO
1,000 NIO 9,708.49 MRO
10,000 NIO 97,084.90 MRO
50,000 NIO 485,424.48 MRO
100,000 NIO 970,848.97 MRO
MRO to NIO
MRO NIO
1 MRO 0.103 NIO
10 MRO 1.03 NIO
100 MRO 10.30 NIO
1,000 MRO 103.00 NIO
10,000 MRO 1,030.03 NIO
50,000 MRO 5,150.13 NIO
100,000 MRO 10,300.26 NIO

Get NIO→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=NIO -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=NIO -d currencies=MRO \
  -d date=2025-10-01 \
  -H "apikey: YOUR-API-KEY"

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Questions about NIO to MRO

How much is 1 NIO in MRO?

1 Nicaraguan Córdoba is 9.70849 old Mauritanian ouguiyas at the mid-market rate of 1 October 2026, 23:06 UTC, and 1 MRO is 0.103003 NIO.

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

Over the last 52 weeks 1 NIO ranged from 9.67959 to 9.75157 MRO, 9.71014 MRO on average.

Which exchange rate is this?

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