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

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

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 ISK to SLE.

Amount

From

1 Icelandic Króna =

188.52 SLL 0.00% today

1 ISK = 188.52 SLL · 1 SLL = 0.00530447 ISK

Mid-market rate, updated 15:11 UTC. Paid plans update as often as every 60 seconds. Get ISK→SLL rates via API

ISK to SLL over the last year

52-week high: 190.20
52-week low: 176.95
52-week average: 184.07
Change over the year: +0.57%

Conversion tables

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	188,520.35 SLL
10,000 ISK	1,885,203.49 SLL
50,000 ISK	9,426,017.43 SLL
100,000 ISK	18,852,034.87 SLL

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

Get ISK→SLL rates via API

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

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

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Questions about ISK to SLL

How much is 1 ISK in SLL?

1 Icelandic Króna is 188.52 old Sierra Leonean leones at the mid-market rate of 4 October 2026, 15:11 UTC, when 1 ISK = 188.52 SLL.

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

Over the last 52 weeks 1 ISK ranged from 176.95 to 190.202 SLL, 184.072 SLL on average.

Which exchange rate is this?

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