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Old Sierra Leonean Leone (SLL) to South Korean Won (KRW)

Convert old Sierra Leonean leones to South Korean won at the live mid-market rate. Reverse: KRW 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 KRW.

1 Old Sierra Leonean Leone =

0.05843 KRW 0.00% today

1 SLL = 0.0584314 KRW · 1 KRW = 17.1141 SLL

Mid-market rate, updated 07:14 UTC. Paid plans update as often as every 60 seconds. Get SLL→KRW rates via API

SLL to KRW over the last year

0.060.065Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.068588
52-week low
0.058431
52-week average
0.063923
Change over the year
−5.90%

Conversion tables

SLL to KRW
SLL KRW
1 SLL 0.05843 KRW
10 SLL 0.5843 KRW
100 SLL 6 KRW
1,000 SLL 58 KRW
10,000 SLL 584 KRW
50,000 SLL 2,922 KRW
100,000 SLL 5,843 KRW
KRW to SLL
KRW SLL
1 KRW 17.11 SLL
10 KRW 171.14 SLL
100 KRW 1,711.41 SLL
1,000 KRW 17,114.09 SLL
10,000 KRW 171,140.94 SLL
50,000 KRW 855,704.72 SLL
100,000 KRW 1,711,409.44 SLL

Get SLL→KRW rates via API

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

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Questions about SLL to KRW

How much is 1 SLL in KRW?

1 Old Sierra Leonean Leone is 0.0584314 South Korean won at the mid-market rate of 4 October 2026, 07:14 UTC, and 1 KRW is 17.1141 SLL.

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

Over the last 52 weeks 1 SLL ranged from 0.0584314 to 0.0685882 KRW, 0.0639233 KRW on average.

Which exchange rate is this?

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