Convert 1 Old Sierra Leonean Leone (SLL) to USD Coin (USDC)

Convert old Sierra Leonean leones to USD Coins at the live mid-market rate. Reverse: USDC 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 USDC.

Amount

From

1 Old Sierra Leonean Leone =

0.0000435 USDC −0.02% today

1 SLL = 0.0000435 USDC · 1 USDC = 22,990.70 SLL

Mid-market rate, updated 10:10 UTC. Paid plans update as often as every 60 seconds. Get SLL→USDC rates via API

SLL to USDC over the last year

52-week high: 0.00004449
52-week low: 0.00004328
52-week average: 0.00004383
Change over the year: −1.54%

Conversion tables

SLL to USDC
SLL	USDC
1 SLL	0.0000435 USDC
10 SLL	0.000435 USDC
100 SLL	0.00435 USDC
1,000 SLL	0.0435 USDC
10,000 SLL	0.435 USDC
50,000 SLL	2.17 USDC
100,000 SLL	4.35 USDC

USDC to SLL
USDC	SLL
1 USDC	22,990.70 SLL
10 USDC	229,906.96 SLL
100 USDC	2,299,069.63 SLL
1,000 USDC	22,990,696.32 SLL
10,000 USDC	229,906,963.23 SLL
50,000 USDC	1,149,534,816.14 SLL
100,000 USDC	2,299,069,632.28 SLL

Get SLL→USDC rates via API

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

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Questions about SLL to USDC

How much is 1 SLL in USDC?

1 Old Sierra Leonean Leone is 0.0000435 USD Coins at the mid-market rate of 4 October 2026, 10:10 UTC, when 1 SLL = 0.0000435 USDC.

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

Over the last 52 weeks 1 SLL ranged from 0.00004328 to 0.00004449 USDC, 0.00004383 USDC on average.

Which exchange rate is this?

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