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  2. SLL to USDT

Old Sierra Leonean Leone (SLL) to Tether (USDT)

Convert old Sierra Leonean leones to Tethers at the live mid-market rate. Reverse: USDT 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 USDT.

1 Old Sierra Leonean Leone =

0.00004342 USDT −0.18% today

1 SLL = 0.00004342 USDT · 1 USDT = 23,031.80 SLL

Mid-market rate, updated 23:07 UTC. Paid plans update as often as every 60 seconds. Get SLL→USDT rates via API

SLL to USDT over the last year

0.00004350.000044Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.00004430
52-week low
0.00004342
52-week average
0.00004383
Change over the year
−1.26%

Conversion tables

SLL to USDT
SLL USDT
1 SLL 0.00004342 USDT
10 SLL 0.0004342 USDT
100 SLL 0.004342 USDT
1,000 SLL 0.04342 USDT
10,000 SLL 0.4342 USDT
50,000 SLL 2.17 USDT
100,000 SLL 4.34 USDT
USDT to SLL
USDT SLL
1 USDT 23,031.80 SLL
10 USDT 230,318.00 SLL
100 USDT 2,303,179.99 SLL
1,000 USDT 23,031,799.86 SLL
10,000 USDT 230,317,998.61 SLL
50,000 USDT 1,151,589,993.03 SLL
100,000 USDT 2,303,179,986.06 SLL

Get SLL→USDT rates via API

The live rate, the rate on any past day or a whole range, for USDT 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=USDT \
  -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=USDT \
  -d date=2025-10-01 \
  -H "apikey: YOUR-API-KEY"

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Questions about SLL to USDT

How much is 1 SLL in USDT?

1 Old Sierra Leonean Leone is 0.00004342 Tethers at the mid-market rate of 1 October 2026, 23:07 UTC, and 1 USDT is 23,031.80 SLL.

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

Over the last 52 weeks 1 SLL ranged from 0.00004342 to 0.0000443 USDT, 0.00004383 USDT on average.

Which exchange rate is this?

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