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  2. OP to HRK

Optimism (OP) to Croatian Kuna (HRK)

Convert Optimism to Croatian kunas at the live mid-market rate. Reverse: HRK to OP

The Croatian Kuna is no longer in use

Croatian Kuna (HRK) was replaced by the Euro (EUR) in 2023. For today’s money, convert OP to EUR.

1 Optimism =

0.9065 HRK −0.86% today

1 OP = 0.906521 HRK · 1 HRK = 1.10312 OP

Mid-market rate, updated 05:09 UTC. Paid plans update as often as every 60 seconds. Get OP→HRK rates via API

OP to HRK over the last year

2.004.00Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
4.87495
52-week low
0.53483
52-week average
1.28901
Change over the year
−80.49%

Conversion tables

OP to HRK
OP HRK
1 OP 0.9065 HRK
10 OP 9.07 HRK
100 OP 90.65 HRK
1,000 OP 906.52 HRK
10,000 OP 9,065.21 HRK
50,000 OP 45,326.05 HRK
100,000 OP 90,652.09 HRK
HRK to OP
HRK OP
1 HRK 1.10311850 OP
10 HRK 11.03118503 OP
100 HRK 110.31185025 OP
1,000 HRK 1,103.11850250 OP
10,000 HRK 11,031.18502500 OP
50,000 HRK 55,155.92512500 OP
100,000 HRK 110,311.85025000 OP

Get OP→HRK rates via API

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

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Questions about OP to HRK

How much is 1 OP in HRK?

1 Optimism is 0.906521 Croatian kunas at the mid-market rate of 4 October 2026, 05:09 UTC, and 1 HRK is 1.10312 OP.

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

Over the last 52 weeks 1 OP ranged from 0.534834 to 4.87495 HRK, 1.28901 HRK on average.

Which exchange rate is this?

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