Convert 100 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

100 Costa Rican colóns =

77.79 MRO +0.07% today

1 CRC = 0.777938 MRO · 1 MRO = 1.28545 CRC

Mid-market rate, updated 08:35 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: +9.89%

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	777.94 MRO
10,000 CRC	7,779.38 MRO
50,000 CRC	38,896.92 MRO
100,000 CRC	77,793.84 MRO

MRO to CRC
MRO	CRC
1 MRO	1 CRC
10 MRO	13 CRC
100 MRO	129 CRC
1,000 MRO	1,285 CRC
10,000 MRO	12,854 CRC
50,000 MRO	64,272 CRC
100,000 MRO	128,545 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"

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Questions about CRC to MRO

How much is 100 CRC in MRO?

100 Costa Rican colóns is 77.79 old Mauritanian ouguiyas at the mid-market rate of 4 October 2026, 08:35 UTC, when 1 CRC = 0.777938 MRO.

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, 0.756611 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.