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Optimism (OP) to Bhutanese Ngultrum (BTN)

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

1 Optimism =

12.77 BTN −2.78% today

1 OP = 12.7713 BTN · 1 BTN = 0.0783004 OP

Mid-market rate, updated 14:03 UTC. Paid plans update as often as every 60 seconds. Get OP→BTN rates via API

OP to BTN over the last year

20.0040.0060.00Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
67.229
52-week low
7.873
52-week average
18.199
Change over the year
−80.13%

Conversion tables

OP to BTN
OP BTN
1 OP 12.77 BTN
10 OP 127.71 BTN
100 OP 1,277.13 BTN
1,000 OP 12,771.32 BTN
10,000 OP 127,713.23 BTN
50,000 OP 638,566.17 BTN
100,000 OP 1,277,132.33 BTN
BTN to OP
BTN OP
1 BTN 0.0783 OP
10 BTN 0.783 OP
100 BTN 7.83004215 OP
1,000 BTN 78.30042150 OP
10,000 BTN 783.00421500 OP
50,000 BTN 3,915.02107500 OP
100,000 BTN 7,830.04215000 OP

Get OP→BTN rates via API

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

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

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Questions about OP to BTN

How much is 1 OP in BTN?

1 Optimism is 12.7713 Bhutanese Ngultrum at the mid-market rate of 4 October 2026, 14:03 UTC, and 1 BTN is 0.0783004 OP.

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

Over the last 52 weeks 1 OP ranged from 7.87332 to 67.2291 BTN, 18.199 BTN on average.

Which exchange rate is this?

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