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Hong Kong Dollar (HKD) to Old Mauritanian Ouguiya (MRO)

Convert Hong Kong dollars to old Mauritanian ouguiyas at the live mid-market rate. Reverse: MRO to HKD

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 HKD to MRU.

1 Hong Kong Dollar =

45.50 MRO 0.00% today

1 HKD = 45.4962 MRO · 1 MRO = 0.0219798 HKD

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

HKD to MRO over the last year

45.6045.80Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
45.960
52-week low
45.494
52-week average
45.668
Change over the year
−0.84%

Conversion tables

HKD to MRO
HKD MRO
1 HKD 45.50 MRO
10 HKD 454.96 MRO
100 HKD 4,549.62 MRO
1,000 HKD 45,496.23 MRO
10,000 HKD 454,962.26 MRO
50,000 HKD 2,274,811.30 MRO
100,000 HKD 4,549,622.61 MRO
MRO to HKD
MRO HKD
1 MRO 0.02198 HKD
10 MRO 0.2198 HKD
100 MRO 2.20 HKD
1,000 MRO 21.98 HKD
10,000 MRO 219.80 HKD
50,000 MRO 1,098.99 HKD
100,000 MRO 2,197.98 HKD

Get HKD→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=HKD -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=HKD -d currencies=MRO \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about HKD to MRO

How much is 1 HKD in MRO?

1 Hong Kong Dollar is 45.4962 old Mauritanian ouguiyas at the mid-market rate of 4 October 2026, 07:15 UTC, and 1 MRO is 0.0219798 HKD.

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

Over the last 52 weeks 1 HKD ranged from 45.4945 to 45.9601 MRO, 45.6676 MRO on average.

Which exchange rate is this?

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