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  2. BYR to SLE

Old Belarusian Ruble (BYR) to Sierra Leonean Leone (SLE)

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

The Old Belarusian Ruble is no longer in use

Old Belarusian Ruble (BYR) was replaced by the Belarusian Ruble (BYN) in 2016. For today’s money, convert BYN to SLE.

1 Old Belarusian Ruble =

0.001176 SLE 0.00% today

1 BYR = 0.00117579 SLE · 1 SLE = 850.494 BYR

Mid-market rate, updated 07:11 UTC. Paid plans update as often as every 60 seconds. Get BYR→SLE rates via API

BYR to SLE over the last year

0.00080.0010.0012Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.0012577
52-week low
0.0006648
52-week average
0.0009124
Change over the year
+70.98%

Conversion tables

BYR to SLE
BYR SLE
1 BYR 0.001176 SLE
10 BYR 0.01176 SLE
100 BYR 0.1176 SLE
1,000 BYR 1.18 SLE
10,000 BYR 11.76 SLE
50,000 BYR 58.79 SLE
100,000 BYR 117.58 SLE
SLE to BYR
SLE BYR
1 SLE 850 BYR
10 SLE 8,505 BYR
100 SLE 85,049 BYR
1,000 SLE 850,494 BYR
10,000 SLE 8,504,945 BYR
50,000 SLE 42,524,724 BYR
100,000 SLE 85,049,447 BYR

Get BYR→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.

Get a free API key API documentation 
curl https://api.currencyapi.com/v3/latest \
  -G -d base_currency=BYR -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=BYR -d currencies=SLE \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about BYR to SLE

How much is 1 BYR in SLE?

1 Old Belarusian Ruble is 0.00117579 Sierra Leonean leones at the mid-market rate of 4 October 2026, 07:11 UTC, and 1 SLE is 850.494 BYR.

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

Over the last 52 weeks 1 BYR ranged from 0.00066483 to 0.00125765 SLE, 0.00091245 SLE on average.

Which exchange rate is this?

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