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  2. SLL to AUD

Old Sierra Leonean Leone (SLL) to Australian Dollar (AUD)

Convert old Sierra Leonean leones to Australian dollars at the live mid-market rate. Reverse: AUD 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 AUD.

1 Old Sierra Leonean Leone =

0.0000628 AUD 0.00% today

1 SLL = 0.0000628 AUD · 1 AUD = 15,922.89 SLL

Mid-market rate, updated 00:01 UTC. Paid plans update as often as every 60 seconds. Get SLL→AUD rates via API

SLL to AUD over the last year

0.000060.00006250.0000650.0000675Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.00006819
52-week low
0.00006048
52-week average
0.00006348
Change over the year
−5.80%

Conversion tables

SLL to AUD
SLL AUD
1 SLL 0.0000628 AUD
10 SLL 0.000628 AUD
100 SLL 0.00628 AUD
1,000 SLL 0.0628 AUD
10,000 SLL 0.628 AUD
50,000 SLL 3.14 AUD
100,000 SLL 6.28 AUD
AUD to SLL
AUD SLL
1 AUD 15,922.89 SLL
10 AUD 159,228.85 SLL
100 AUD 1,592,288.54 SLL
1,000 AUD 15,922,885.41 SLL
10,000 AUD 159,228,854.11 SLL
50,000 AUD 796,144,270.54 SLL
100,000 AUD 1,592,288,541.09 SLL

Get SLL→AUD rates via API

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

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Questions about SLL to AUD

How much is 1 SLL in AUD?

1 Old Sierra Leonean Leone is 0.0000628 Australian dollars at the mid-market rate of 2 October 2026, 00:01 UTC, and 1 AUD is 15,922.89 SLL.

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

Over the last 52 weeks 1 SLL ranged from 0.00006048 to 0.00006819 AUD, 0.00006348 AUD on average.

Which exchange rate is this?

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