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  2. SLL to BYN

Old Sierra Leonean Leone (SLL) to Belarusian Ruble (BYN)

Convert old Sierra Leonean leones to Belarusian rubles at the live mid-market rate. Reverse: BYN to SLL

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 SLE to BYN.

1 Old Sierra Leonean Leone =

0.0001314 BYN 0.00% today

1 SLL = 0.00013139 BYN · 1 BYN = 7,610.73 SLL

Mid-market rate, updated 06:15 UTC. Paid plans update as often as every 60 seconds. Get SLL→BYN rates via API

SLL to BYN over the last year

0.000120.000130.000140.00015Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.00015082
52-week low
0.00011925
52-week average
0.00013083
Change over the year
−11.96%

Conversion tables

SLL to BYN
SLL BYN
1 SLL 0.0001314 BYN
10 SLL 0.001314 BYN
100 SLL 0.01314 BYN
1,000 SLL 0.1314 BYN
10,000 SLL 1.31 BYN
50,000 SLL 6.57 BYN
100,000 SLL 13.14 BYN
BYN to SLL
BYN SLL
1 BYN 7,610.73 SLL
10 BYN 76,107.29 SLL
100 BYN 761,072.86 SLL
1,000 BYN 7,610,728.59 SLL
10,000 BYN 76,107,285.93 SLL
50,000 BYN 380,536,429.66 SLL
100,000 BYN 761,072,859.32 SLL

Get SLL→BYN rates via API

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

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

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Questions about SLL to BYN

How much is 1 SLL in BYN?

1 Old Sierra Leonean Leone is 0.00013139 Belarusian rubles at the mid-market rate of 4 October 2026, 06:15 UTC, and 1 BYN is 7,610.73 SLL.

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

Over the last 52 weeks 1 SLL ranged from 0.00011925 to 0.00015082 BYN, 0.00013083 BYN on average.

Which exchange rate is this?

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