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  2. ARB to SLL

Arbitrum (ARB) to Old Sierra Leonean Leone (SLL)

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

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 ARB to SLE.

1 Arbitrum =

4,658.63 SLL +0.41% today

1 ARB = 4,658.63 SLL · 1 SLL = 0.00021466 ARB

Mid-market rate, updated 03:52 UTC. Paid plans update as often as every 60 seconds. Get ARB→SLL rates via API

ARB to SLL over the last year

5,000.0010,000.00Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
10,369.84
52-week low
1,672.96
52-week average
3,514.57
Change over the year
−52.68%

Conversion tables

ARB to SLL
ARB SLL
1 ARB 4,658.63 SLL
10 ARB 46,586.30 SLL
100 ARB 465,863.03 SLL
1,000 ARB 4,658,630.28 SLL
10,000 ARB 46,586,302.81 SLL
50,000 ARB 232,931,514.06 SLL
100,000 ARB 465,863,028.12 SLL
SLL to ARB
SLL ARB
1 SLL 0.0002147 ARB
10 SLL 0.002147 ARB
100 SLL 0.02147 ARB
1,000 SLL 0.2147 ARB
10,000 SLL 2.14655400 ARB
50,000 SLL 10.73277000 ARB
100,000 SLL 21.46554000 ARB

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

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Questions about ARB to SLL

How much is 1 ARB in SLL?

1 Arbitrum is 4,658.63 old Sierra Leonean leones at the mid-market rate of 4 October 2026, 03:52 UTC, and 1 SLL is 0.00021466 ARB.

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

Over the last 52 weeks 1 ARB ranged from 1,672.96 to 10,369.84 SLL, 3,514.57 SLL on average.

Which exchange rate is this?

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