Convert 1 Old Sierra Leonean Leone (SLL) to Polish Zloty (PLN)

Convert old Sierra Leonean leones to Polish zlotys at the live mid-market rate. Reverse: PLN 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 PLN.

Amount

From

1 Old Sierra Leonean Leone =

0.0001694 PLN 0.00% today

1 SLL = 0.00016943 PLN · 1 PLN = 5,902.21 SLL

Mid-market rate, updated 09:25 UTC. Paid plans update as often as every 60 seconds. Get SLL→PLN rates via API

SLL to PLN over the last year

52-week high: 0.00016943
52-week low: 0.00015353
52-week average: 0.00016097
Change over the year: +6.04%

Conversion tables

SLL to PLN
SLL	PLN
1 SLL	0.0001694 PLN
10 SLL	0.001694 PLN
100 SLL	0.01694 PLN
1,000 SLL	0.1694 PLN
10,000 SLL	1.69 PLN
50,000 SLL	8.47 PLN
100,000 SLL	16.94 PLN

PLN to SLL
PLN	SLL
1 PLN	5,902.21 SLL
10 PLN	59,022.14 SLL
100 PLN	590,221.37 SLL
1,000 PLN	5,902,213.75 SLL
10,000 PLN	59,022,137.46 SLL
50,000 PLN	295,110,687.30 SLL
100,000 PLN	590,221,374.59 SLL

Get SLL→PLN rates via API

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

Related conversions

Popular Old Sierra Leonean Leone conversions

Popular Polish Zloty conversions

Questions about SLL to PLN

How much is 1 SLL in PLN?

1 Old Sierra Leonean Leone is 0.0001694 Polish zlotys at the mid-market rate of 4 October 2026, 09:25 UTC, when 1 SLL = 0.00016943 PLN.

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

Over the last 52 weeks 1 SLL ranged from 0.00015353 to 0.00016943 PLN, 0.00016097 PLN on average.

Which exchange rate is this?

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