Convert 1 Binance (BNB) to Old Sierra Leonean Leone (SLL)

Convert Binance to old Sierra Leonean leones at the live mid-market rate. Reverse: SLL to BNB

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 BNB to SLE.

Amount

From

1 Binance =

18,198,568.70 SLL +0.50% today

1 BNB = 18,198,568.70 SLL · 1 SLL = 0.00000005 BNB

Mid-market rate, updated 09:56 UTC. Paid plans update as often as every 60 seconds. Get BNB→SLL rates via API

BNB to SLL over the last year

52-week high: 29,944,410.74
52-week low: 12,491,977.08
52-week average: 16,950,218.04
Change over the year: −30.11%

Conversion tables

BNB to SLL
BNB	SLL
1 BNB	18,198,568.70 SLL
10 BNB	181,985,686.98 SLL
100 BNB	1,819,856,869.82 SLL
1,000 BNB	18,198,568,698.17 SLL
10,000 BNB	181,985,686,981.68 SLL
50,000 BNB	909,928,434,908.39 SLL
100,000 BNB	1,819,856,869,816.79 SLL

SLL to BNB
SLL	BNB
1 SLL	0.00000005 BNB
10 SLL	0.00000055 BNB
100 SLL	0.00000549 BNB
1,000 SLL	0.0000549 BNB
10,000 SLL	0.000549 BNB
50,000 SLL	0.002745 BNB
100,000 SLL	0.00549 BNB

Get BNB→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=BNB -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=BNB -d currencies=SLL \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about BNB to SLL

How much is 1 BNB in SLL?

1 Binance is 18,198,568.70 old Sierra Leonean leones at the mid-market rate of 4 October 2026, 09:56 UTC, when 1 BNB = 18,198,568.70 SLL.

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

Over the last 52 weeks 1 BNB ranged from 12,491,977.08 to 29,944,410.74 SLL, 16,950,218.04 SLL on average.

Which exchange rate is this?

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