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Bhutanese Ngultrum (BTN) to Sierra Leonean Leone (SLE)

Convert Bhutanese Ngultrum to Sierra Leonean leones at the live mid-market rate. Reverse: SLE to BTN

1 Bhutanese Ngultrum =

0.2394 SLE −0.09% today

1 BTN = 0.2394 SLE · 1 SLE = 4.17711 BTN

Mid-market rate, updated 14:00 UTC. Paid plans update as often as every 60 seconds. Get BTN→SLE rates via API

BTN to SLE over the last year

0.240.250.260.27Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.26871
52-week low
0.23648
52-week average
0.24777
Change over the year
−8.69%

Conversion tables

BTN to SLE
BTN SLE
1 BTN 0.2394 SLE
10 BTN 2.39 SLE
100 BTN 23.94 SLE
1,000 BTN 239.40 SLE
10,000 BTN 2,394.00 SLE
50,000 BTN 11,969.99 SLE
100,000 BTN 23,939.98 SLE
SLE to BTN
SLE BTN
1 SLE 4.18 BTN
10 SLE 41.77 BTN
100 SLE 417.71 BTN
1,000 SLE 4,177.11 BTN
10,000 SLE 41,771.13 BTN
50,000 SLE 208,855.65 BTN
100,000 SLE 417,711.31 BTN

Get BTN→SLE rates via API

The live rate, the rate on any past day or a whole range, for SLE 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=BTN -d currencies=SLE \
  -H "apikey: YOUR-API-KEY"

# the rate on a past day
curl https://api.currencyapi.com/v3/historical \
  -G -d base_currency=BTN -d currencies=SLE \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about BTN to SLE

How much is 1 BTN in SLE?

1 Bhutanese Ngultrum is 0.2394 Sierra Leonean leones at the mid-market rate of 4 October 2026, 14:00 UTC, and 1 SLE is 4.17711 BTN.

What was the BTN to SLE rate over the last year?

Over the last 52 weeks 1 BTN ranged from 0.23648 to 0.268708 SLE, 0.247767 SLE on average.

Which exchange rate is this?

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