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Old Mauritanian Ouguiya (MRO) to Japanese Yen (JPY)

Convert old Mauritanian ouguiyas to Japanese yen at the live mid-market rate. Reverse: JPY 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 JPY.

1 Old Mauritanian Ouguiya =

0.4424 JPY +0.01% today

1 MRO = 0.442437 JPY · 1 JPY = 2.26021 MRO

Mid-market rate, updated 00:01 UTC. Paid plans update as often as every 60 seconds. Get MRO→JPY rates via API

MRO to JPY over the last year

0.420.440.46Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.45901
52-week low
0.41220
52-week average
0.44103
Change over the year
+7.33%

Conversion tables

MRO to JPY
MRO JPY
1 MRO 0.4424 JPY
10 MRO 4 JPY
100 MRO 44 JPY
1,000 MRO 442 JPY
10,000 MRO 4,424 JPY
50,000 MRO 22,122 JPY
100,000 MRO 44,244 JPY
JPY to MRO
JPY MRO
1 JPY 2.26 MRO
10 JPY 22.60 MRO
100 JPY 226.02 MRO
1,000 JPY 2,260.21 MRO
10,000 JPY 22,602.07 MRO
50,000 JPY 113,010.37 MRO
100,000 JPY 226,020.75 MRO

Get MRO→JPY rates via API

The live rate, the rate on any past day or a whole range, for JPY and 170+ other currencies, as JSON. Free plan included. See the exchange rate API.

curl https://api.currencyapi.com/v3/latest \
  -G -d base_currency=MRO -d currencies=JPY \
  -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=JPY \
  -d date=2025-10-02 \
  -H "apikey: YOUR-API-KEY"

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Questions about MRO to JPY

How much is 1 MRO in JPY?

1 Old Mauritanian Ouguiya is 0.442437 Japanese yen at the mid-market rate of 2 October 2026, 00:01 UTC, and 1 JPY is 2.26021 MRO.

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

Over the last 52 weeks 1 MRO ranged from 0.412205 to 0.459006 JPY, 0.441032 JPY on average.

Which exchange rate is this?

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