Convert 10 Omani Rial (OMR) to Old Sierra Leonean Leone (SLL)

Convert Omani rials to old Sierra Leonean leones at the live mid-market rate. Reverse: SLL to OMR

The Old Sierra Leonean Leone is no longer in use

Old Sierra Leonean Leone (SLL) was replaced by the Sierra Leonean Leone (SLE) in 2022. For today’s money, convert OMR to SLE.

Amount

From

10 Omani rials =

596,842.41 SLL 0.00% today

1 OMR = 59,684.24 SLL · 1 SLL = 0.00001675 OMR

Mid-market rate, updated 16:05 UTC. Paid plans update as often as every 60 seconds. Get OMR→SLL rates via API

OMR to SLL over the last year

52-week high: 59,728.12
52-week low: 58,657.23
52-week average: 59,226.79
Change over the year: +1.37%

Conversion tables

OMR to SLL
OMR	SLL
1 OMR	59,684.24 SLL
10 OMR	596,842.41 SLL
100 OMR	5,968,424.10 SLL
1,000 OMR	59,684,240.95 SLL
10,000 OMR	596,842,409.52 SLL
50,000 OMR	2,984,212,047.58 SLL
100,000 OMR	5,968,424,095.16 SLL

SLL to OMR
SLL	OMR
1 SLL	0.00001675 OMR
10 SLL	0.0001675 OMR
100 SLL	0.001675 OMR
1,000 SLL	0.01675 OMR
10,000 SLL	0.1675 OMR
50,000 SLL	0.8377 OMR
100,000 SLL	1.675 OMR

Get OMR→SLL rates via API

The live rate, the rate on any past day or a whole range, for SLL 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=OMR -d currencies=SLL \
  -H "apikey: YOUR-API-KEY"

# the rate on a past day
curl https://api.currencyapi.com/v3/historical \
  -G -d base_currency=OMR -d currencies=SLL \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about OMR to SLL

How much is 10 OMR in SLL?

10 Omani rials is 596,842.41 old Sierra Leonean leones at the mid-market rate of 4 October 2026, 16:05 UTC, when 1 OMR = 59,684.24 SLL.

What was the OMR to SLL rate over the last year?

Over the last 52 weeks 1 OMR ranged from 58,657.23 to 59,728.12 SLL, 59,226.79 SLL on average.

Which exchange rate is this?

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