Convert 10 Old Sierra Leonean Leone (SLL) to Guinean Franc (GNF)

Convert old Sierra Leonean leones to Guinean francs at the live mid-market rate. Reverse: GNF 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 GNF.

Amount

From

10 old Sierra Leonean leones =

4 GNF 0.00% today

1 SLL = 0.384783 GNF · 1 GNF = 2.59887 SLL

Mid-market rate, updated 06:47 UTC. Paid plans update as often as every 60 seconds. Get SLL→GNF rates via API

SLL to GNF over the last year

52-week high: 0.38715
52-week low: 0.38068
52-week average: 0.38498
Change over the year: +0.29%

Conversion tables

SLL to GNF
SLL	GNF
1 SLL	0.3848 GNF
10 SLL	4 GNF
100 SLL	38 GNF
1,000 SLL	385 GNF
10,000 SLL	3,848 GNF
50,000 SLL	19,239 GNF
100,000 SLL	38,478 GNF

GNF to SLL
GNF	SLL
1 GNF	2.60 SLL
10 GNF	25.99 SLL
100 GNF	259.89 SLL
1,000 GNF	2,598.87 SLL
10,000 GNF	25,988.69 SLL
50,000 GNF	129,943.46 SLL
100,000 GNF	259,886.93 SLL

Get SLL→GNF rates via API

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

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Questions about SLL to GNF

How much is 10 SLL in GNF?

10 old Sierra Leonean leones is 4 Guinean francs at the mid-market rate of 4 October 2026, 06:47 UTC, when 1 SLL = 0.384783 GNF.

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

Over the last 52 weeks 1 SLL ranged from 0.380681 to 0.387148 GNF, 0.38498 GNF on average.

Which exchange rate is this?

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