Convert 1 Old Sierra Leonean Leone (SLL) to Icelandic Króna (ISK)

Convert old Sierra Leonean leones to Icelandic krónur at the live mid-market rate. Reverse: ISK 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 ISK.

Amount

From

1 Old Sierra Leonean Leone =

0.005304 ISK 0.00% today

1 SLL = 0.00530447 ISK · 1 ISK = 188.52 SLL

Mid-market rate, updated 09:02 UTC. Paid plans update as often as every 60 seconds. Get SLL→ISK rates via API

SLL to ISK over the last year

52-week high: 0.0056513
52-week low: 0.0052576
52-week average: 0.0054343
Change over the year: −0.56%

Conversion tables

SLL to ISK
SLL	ISK
1 SLL	0.005304 ISK
10 SLL	0.05304 ISK
100 SLL	0.5304 ISK
1,000 SLL	5 ISK
10,000 SLL	53 ISK
50,000 SLL	265 ISK
100,000 SLL	530 ISK

ISK to SLL
ISK	SLL
1 ISK	188.52 SLL
10 ISK	1,885.20 SLL
100 ISK	18,852.03 SLL
1,000 ISK	188,520.34 SLL
10,000 ISK	1,885,203.36 SLL
50,000 ISK	9,426,016.79 SLL
100,000 ISK	18,852,033.59 SLL

Get SLL→ISK rates via API

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

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Questions about SLL to ISK

How much is 1 SLL in ISK?

1 Old Sierra Leonean Leone is 0.005304 Icelandic krónur at the mid-market rate of 4 October 2026, 09:02 UTC, when 1 SLL = 0.00530447 ISK.

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

Over the last 52 weeks 1 SLL ranged from 0.00525756 to 0.00565131 ISK, 0.00543432 ISK on average.

Which exchange rate is this?

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