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Old Sierra Leonean Leone (SLL) to Swedish Krona (SEK)

Convert old Sierra Leonean leones to Swedish kronor at the live mid-market rate. Reverse: SEK 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 SEK.

1 Old Sierra Leonean Leone =

0.000437 SEK 0.00% today

1 SLL = 0.00043699 SEK · 1 SEK = 2,288.39 SLL

Mid-market rate, updated 07:13 UTC. Paid plans update as often as every 60 seconds. Get SLL→SEK rates via API

SLL to SEK over the last year

0.00040.000420.00044Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.00043707
52-week low
0.00038591
52-week average
0.00041223
Change over the year
+5.72%

Conversion tables

SLL to SEK
SLL SEK
1 SLL 0.000437 SEK
10 SLL 0.00437 SEK
100 SLL 0.0437 SEK
1,000 SLL 0.437 SEK
10,000 SLL 4.37 SEK
50,000 SLL 21.85 SEK
100,000 SLL 43.70 SEK
SEK to SLL
SEK SLL
1 SEK 2,288.39 SLL
10 SEK 22,883.94 SLL
100 SEK 228,839.39 SLL
1,000 SEK 2,288,393.94 SLL
10,000 SEK 22,883,939.39 SLL
50,000 SEK 114,419,696.93 SLL
100,000 SEK 228,839,393.86 SLL

Get SLL→SEK rates via API

The live rate, the rate on any past day or a whole range, for SEK 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=SEK \
  -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=SEK \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about SLL to SEK

How much is 1 SLL in SEK?

1 Old Sierra Leonean Leone is 0.00043699 Swedish kronor at the mid-market rate of 4 October 2026, 07:13 UTC, and 1 SEK is 2,288.39 SLL.

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

Over the last 52 weeks 1 SLL ranged from 0.00038591 to 0.00043707 SEK, 0.00041223 SEK on average.

Which exchange rate is this?

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