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Old Mauritanian Ouguiya (MRO) to Bitcoin (BTC)

Convert old Mauritanian ouguiyas to Bitcoins at the live mid-market rate. Reverse: BTC 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 BTC.

1 Old Mauritanian Ouguiya =

0.00000003 BTC −0.61% today

1 MRO = 0.00000003 BTC · 1 BTC = 30,462,706.76 MRO

Mid-market rate, updated 16:39 UTC. Paid plans update as often as every 60 seconds. Get MRO→BTC rates via API

MRO to BTC over the last year

0.000000030.00000004Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.00000005
52-week low
0.00000002
52-week average
0.00000004
Change over the year
+43.23%

Conversion tables

MRO to BTC
MRO BTC
1 MRO 0.00000003 BTC
10 MRO 0.00000033 BTC
100 MRO 0.00000328 BTC
1,000 MRO 0.0000328 BTC
10,000 MRO 0.000328 BTC
50,000 MRO 0.00164 BTC
100,000 MRO 0.00328 BTC
BTC to MRO
BTC MRO
1 BTC 30,462,706.76 MRO
10 BTC 304,627,067.64 MRO
100 BTC 3,046,270,676.40 MRO
1,000 BTC 30,462,706,764.05 MRO
10,000 BTC 304,627,067,640.47 MRO
50,000 BTC 1,523,135,338,202.35 MRO
100,000 BTC 3,046,270,676,404.70 MRO

Get MRO→BTC rates via API

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

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Questions about MRO to BTC

How much is 1 MRO in BTC?

1 Old Mauritanian Ouguiya is 0.00000003 Bitcoins at the mid-market rate of 4 October 2026, 16:39 UTC, and 1 BTC is 30,462,706.76 MRO.

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

Over the last 52 weeks 1 MRO ranged from 0.00000002 to 0.00000005 BTC, 0.00000004 BTC on average.

Which exchange rate is this?

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