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  2. MRU to OP

Mauritanian Ouguiya (MRU) to Optimism (OP)

Convert Mauritanian ouguiyas to Optimism at the live mid-market rate. Reverse: OP to MRU

1 Mauritanian Ouguiya =

0.1848 OP +1.24% today

1 MRU = 0.184794 OP · 1 OP = 5.41142 MRU

Mid-market rate, updated 05:06 UTC. Paid plans update as often as every 60 seconds. Get MRU→OP rates via API

MRU to OP over the last year

0.100.200.30Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.30342
52-week low
0.03311
52-week average
0.17218
Change over the year
+434.42%

Conversion tables

MRU to OP
MRU OP
1 MRU 0.1848 OP
10 MRU 1.84794310 OP
100 MRU 18.47943104 OP
1,000 MRU 184.79431040 OP
10,000 MRU 1,847.94310400 OP
50,000 MRU 9,239.71552000 OP
100,000 MRU 18,479.43104000 OP
OP to MRU
OP MRU
1 OP 5.41 MRU
10 OP 54.11 MRU
100 OP 541.14 MRU
1,000 OP 5,411.42 MRU
10,000 OP 54,114.22 MRU
50,000 OP 270,571.10 MRU
100,000 OP 541,142.20 MRU

Get MRU→OP rates via API

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

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

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Questions about MRU to OP

How much is 1 MRU in OP?

1 Mauritanian Ouguiya is 0.184794 Optimism at the mid-market rate of 4 October 2026, 05:06 UTC, and 1 OP is 5.41142 MRU.

What was the MRU to OP rate over the last year?

Over the last 52 weeks 1 MRU ranged from 0.0331084 to 0.303424 OP, 0.172184 OP on average.

Which exchange rate is this?

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