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  2. IRR to SLL

Iranian Rial (IRR) to Old Sierra Leonean Leone (SLL)

Convert Iranian rials to old Sierra Leonean leones at the live mid-market rate. Reverse: SLL to IRR

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 IRR to SLE.

1 Iranian Rial =

0.01319 SLL 0.00% today

1 IRR = 0.0131938 SLL · 1 SLL = 75.7931 IRR

Mid-market rate, updated 04:07 UTC. Paid plans update as often as every 60 seconds. Get IRR→SLL rates via API

IRR to SLL over the last year

00.200.40Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.546913
52-week low
0.013167
52-week average
0.151968
Change over the year
−97.56%

Conversion tables

IRR to SLL
IRR SLL
1 IRR 0.01319 SLL
10 IRR 0.1319 SLL
100 IRR 1.32 SLL
1,000 IRR 13.19 SLL
10,000 IRR 131.94 SLL
50,000 IRR 659.69 SLL
100,000 IRR 1,319.38 SLL
SLL to IRR
SLL IRR
1 SLL 76 IRR
10 SLL 758 IRR
100 SLL 7,579 IRR
1,000 SLL 75,793 IRR
10,000 SLL 757,931 IRR
50,000 SLL 3,789,657 IRR
100,000 SLL 7,579,314 IRR

Get IRR→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=IRR -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=IRR -d currencies=SLL \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about IRR to SLL

How much is 1 IRR in SLL?

1 Iranian Rial is 0.0131938 old Sierra Leonean leones at the mid-market rate of 4 October 2026, 04:07 UTC, and 1 SLL is 75.7931 IRR.

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

Over the last 52 weeks 1 IRR ranged from 0.0131666 to 0.546913 SLL, 0.151968 SLL on average.

Which exchange rate is this?

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