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

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

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 USDC to SLE.

1 USD Coin =

22,989.02 SLL +0.01% today

1 USDC = 22,989.02 SLL · 1 SLL = 0.0000435 USDC

Mid-market rate, updated 03:48 UTC. Paid plans update as often as every 60 seconds. Get USDC→SLL rates via API

USDC to SLL over the last year

22,600.0022,800.0023,000.00Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
23,103.10
52-week low
22,477.40
52-week average
22,816.97
Change over the year
+1.56%

Conversion tables

USDC to SLL
USDC SLL
1 USDC 22,989.02 SLL
10 USDC 229,890.22 SLL
100 USDC 2,298,902.17 SLL
1,000 USDC 22,989,021.74 SLL
10,000 USDC 229,890,217.42 SLL
50,000 USDC 1,149,451,087.12 SLL
100,000 USDC 2,298,902,174.25 SLL
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

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

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Questions about USDC to SLL

How much is 1 USDC in SLL?

1 USD Coin is 22,989.02 old Sierra Leonean leones at the mid-market rate of 4 October 2026, 03:48 UTC, and 1 SLL is 0.0000435 USDC.

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

Over the last 52 weeks 1 USDC ranged from 22,477.40 to 23,103.10 SLL, 22,816.97 SLL on average.

Which exchange rate is this?

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