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  2. SLE to ARB
  3. 100 SLE

Convert 100 Sierra Leonean Leone (SLE) to Arbitrum (ARB)

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

100 Sierra Leonean leones =

21.44278170 ARB −0.25% today

1 SLE = 0.214428 ARB · 1 ARB = 4.66357 SLE

Mid-market rate, updated 06:38 UTC. Paid plans update as often as every 60 seconds. Get SLE→ARB rates via API

SLE to ARB over the last year

0.200.400.60Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.59609
52-week low
0.09617
52-week average
0.34670
Change over the year
+116.65%

Conversion tables

SLE to ARB
SLE ARB
1 SLE 0.2144 ARB
10 SLE 2.14427817 ARB
100 SLE 21.44278170 ARB
1,000 SLE 214.42781700 ARB
10,000 SLE 2,144.27817000 ARB
50,000 SLE 10,721.39085000 ARB
100,000 SLE 21,442.78170000 ARB
ARB to SLE
ARB SLE
1 ARB 4.66 SLE
10 ARB 46.64 SLE
100 ARB 466.36 SLE
1,000 ARB 4,663.57 SLE
10,000 ARB 46,635.74 SLE
50,000 ARB 233,178.70 SLE
100,000 ARB 466,357.40 SLE

Get SLE→ARB rates via API

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

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

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Questions about SLE to ARB

How much is 100 SLE in ARB?

100 Sierra Leonean leones is 21.44278170 Arbitrums at the mid-market rate of 4 October 2026, 06:38 UTC, when 1 SLE = 0.214428 ARB.

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

Over the last 52 weeks 1 SLE ranged from 0.0961674 to 0.596087 ARB, 0.346704 ARB on average.

Which exchange rate is this?

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