Currency converter
CRC to MRO

Costa Rican Colón (CRC) to Old Mauritanian Ouguiya (MRO)

Convert Costa Rican colóns to old Mauritanian ouguiyas at the live mid-market rate. Reverse: MRO to CRC

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 CRC to MRU.

Amount

From

1 Costa Rican Colón =

0.7779 MRO +0.06% today

1 CRC = 0.777855 MRO · 1 MRO = 1.28559 CRC

Mid-market rate, updated 03:52 UTC. Paid plans update as often as every 60 seconds. Get CRC→MRO rates via API

CRC to MRO over the last year

52-week high: 0.79980
52-week low: 0.70794
52-week average: 0.75661
Change over the year: +9.88%

Conversion tables

CRC to MRO
CRC	MRO
1 CRC	0.7779 MRO
10 CRC	7.78 MRO
100 CRC	77.79 MRO
1,000 CRC	777.85 MRO
10,000 CRC	7,778.55 MRO
50,000 CRC	38,892.73 MRO
100,000 CRC	77,785.46 MRO

MRO to CRC
MRO	CRC
1 MRO	1 CRC
10 MRO	13 CRC
100 MRO	129 CRC
1,000 MRO	1,286 CRC
10,000 MRO	12,856 CRC
50,000 MRO	64,279 CRC
100,000 MRO	128,559 CRC

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

Related conversions

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Questions about CRC to MRO

How much is 1 CRC in MRO?

1 Costa Rican Colón is 0.777855 old Mauritanian ouguiyas at the mid-market rate of 4 October 2026, 03:52 UTC, and 1 MRO is 1.28559 CRC.

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

Over the last 52 weeks 1 CRC ranged from 0.707944 to 0.799804 MRO, 0.75661 MRO on average.

Which exchange rate is this?

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