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Old Sierra Leonean Leone (SLL) to North Korean Won (KPW)

Convert old Sierra Leonean leones to North Korean Won at the live mid-market rate. Reverse: KPW 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 KPW.

1 Old Sierra Leonean Leone =

0.03916 KPW 0.00% today

1 SLL = 0.039157 KPW · 1 KPW = 25.5382 SLL

Mid-market rate, updated 08:12 UTC. Paid plans update as often as every 60 seconds. Get SLL→KPW rates via API

SLL to KPW over the last year

0.039250.03950.03975Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.039841
52-week low
0.039128
52-week average
0.039464
Change over the year
−1.36%

Conversion tables

SLL to KPW
SLL KPW
1 SLL 0.03916 KPW
10 SLL 0.3916 KPW
100 SLL 3.92 KPW
1,000 SLL 39.16 KPW
10,000 SLL 391.57 KPW
50,000 SLL 1,957.85 KPW
100,000 SLL 3,915.70 KPW
KPW to SLL
KPW SLL
1 KPW 25.54 SLL
10 KPW 255.38 SLL
100 KPW 2,553.82 SLL
1,000 KPW 25,538.22 SLL
10,000 KPW 255,382.24 SLL
50,000 KPW 1,276,911.18 SLL
100,000 KPW 2,553,822.37 SLL

Get SLL→KPW rates via API

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

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Questions about SLL to KPW

How much is 1 SLL in KPW?

1 Old Sierra Leonean Leone is 0.039157 North Korean Won at the mid-market rate of 4 October 2026, 08:12 UTC, and 1 KPW is 25.5382 SLL.

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

Over the last 52 weeks 1 SLL ranged from 0.0391282 to 0.0398412 KPW, 0.0394642 KPW on average.

Which exchange rate is this?

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