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  2. SLL to EUR

Old Sierra Leonean Leone (SLL) to Euro (EUR)

Convert old Sierra Leonean leones to Euros at the live mid-market rate. Reverse: EUR 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 EUR.

1 Old Sierra Leonean Leone =

0.00003874 EUR +0.13% today

1 SLL = 0.00003874 EUR · 1 EUR = 25,815.12 SLL

Mid-market rate, updated 01:36 UTC. Paid plans update as often as every 60 seconds. Get SLL→EUR rates via API

SLL to EUR over the last year

0.0000370.000038Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.00003874
52-week low
0.00003656
52-week average
0.00003776
Change over the year
+3.27%

Conversion tables

SLL to EUR
SLL EUR
1 SLL 0.00003874 EUR
10 SLL 0.0003874 EUR
100 SLL 0.003874 EUR
1,000 SLL 0.03874 EUR
10,000 SLL 0.3874 EUR
50,000 SLL 1.94 EUR
100,000 SLL 3.87 EUR
EUR to SLL
EUR SLL
1 EUR 25,815.12 SLL
10 EUR 258,151.22 SLL
100 EUR 2,581,512.23 SLL
1,000 EUR 25,815,122.31 SLL
10,000 EUR 258,151,223.08 SLL
50,000 EUR 1,290,756,115.39 SLL
100,000 EUR 2,581,512,230.78 SLL

Get SLL→EUR rates via API

The live rate, the rate on any past day or a whole range, for EUR 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=EUR \
  -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=EUR \
  -d date=2025-10-02 \
  -H "apikey: YOUR-API-KEY"

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Questions about SLL to EUR

How much is 1 SLL in EUR?

1 Old Sierra Leonean Leone is 0.00003874 Euros at the mid-market rate of 2 October 2026, 01:36 UTC, and 1 EUR is 25,815.12 SLL.

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

Over the last 52 weeks 1 SLL ranged from 0.00003656 to 0.00003874 EUR, 0.00003776 EUR on average.

Which exchange rate is this?

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