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Bhutanese Ngultrum (BTN) to Optimism (OP)

Convert Bhutanese Ngultrum to Optimism at the live mid-market rate. Reverse: OP to BTN

1 Bhutanese Ngultrum =

0.07831 OP +2.87% today

1 BTN = 0.0783069 OP · 1 OP = 12.7703 BTN

Mid-market rate, updated 14:01 UTC. Paid plans update as often as every 60 seconds. Get BTN→OP rates via API

BTN to OP over the last year

0.050.10Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.127011
52-week low
0.014875
52-week average
0.073368
Change over the year
+403.22%

Conversion tables

BTN to OP
BTN OP
1 BTN 0.07831 OP
10 BTN 0.7831 OP
100 BTN 7.83068759 OP
1,000 BTN 78.30687590 OP
10,000 BTN 783.06875900 OP
50,000 BTN 3,915.34379500 OP
100,000 BTN 7,830.68759000 OP
OP to BTN
OP BTN
1 OP 12.77 BTN
10 OP 127.70 BTN
100 OP 1,277.03 BTN
1,000 OP 12,770.27 BTN
10,000 OP 127,702.71 BTN
50,000 OP 638,513.53 BTN
100,000 OP 1,277,027.07 BTN

Get BTN→OP rates via API

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

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Questions about BTN to OP

How much is 1 BTN in OP?

1 Bhutanese Ngultrum is 0.0783069 Optimism at the mid-market rate of 4 October 2026, 14:01 UTC, and 1 OP is 12.7703 BTN.

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

Over the last 52 weeks 1 BTN ranged from 0.0148745 to 0.127011 OP, 0.0733679 OP on average.

Which exchange rate is this?

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