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  2. MRU to SLE
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Convert 1 Mauritanian Ouguiya (MRU) to Sierra Leonean Leone (SLE)

Convert Mauritanian ouguiyas to Sierra Leonean leones at the live mid-market rate. Reverse: SLE to MRU

1 Mauritanian Ouguiya =

0.577 SLE +0.42% today

1 MRU = 0.576992 SLE · 1 SLE = 1.73313 MRU

Mid-market rate, updated 11:01 UTC. Paid plans update as often as every 60 seconds. Get MRU→SLE rates via API

MRU to SLE over the last year

0.580.600.62Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.61818
52-week low
0.56529
52-week average
0.57499
Change over the year
−0.96%

Conversion tables

MRU to SLE
MRU SLE
1 MRU 0.577 SLE
10 MRU 5.77 SLE
100 MRU 57.70 SLE
1,000 MRU 576.99 SLE
10,000 MRU 5,769.92 SLE
50,000 MRU 28,849.60 SLE
100,000 MRU 57,699.19 SLE
SLE to MRU
SLE MRU
1 SLE 1.73 MRU
10 SLE 17.33 MRU
100 SLE 173.31 MRU
1,000 SLE 1,733.13 MRU
10,000 SLE 17,331.27 MRU
50,000 SLE 86,656.33 MRU
100,000 SLE 173,312.65 MRU

Get MRU→SLE rates via API

The live rate, the rate on any past day or a whole range, for SLE 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=MRU -d currencies=SLE \
  -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=SLE \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about MRU to SLE

How much is 1 MRU in SLE?

1 Mauritanian Ouguiya is 0.577 Sierra Leonean leones at the mid-market rate of 4 October 2026, 11:01 UTC, when 1 MRU = 0.576992 SLE.

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

Over the last 52 weeks 1 MRU ranged from 0.565287 to 0.618184 SLE, 0.574995 SLE on average.

Which exchange rate is this?

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