Convert 1 Optimism (OP) to Cambodian Riel (KHR)

Convert Optimism to Cambodian riels at the live mid-market rate. Reverse: KHR to OP

Amount

From

1 Optimism =

539.24 KHR −2.69% today

1 OP = 539.239 KHR · 1 KHR = 0.00185446 OP

Mid-market rate, updated 14:18 UTC. Paid plans update as often as every 60 seconds. Get OP→KHR rates via API

OP to KHR over the last year

52-week high: 3,036.79
52-week low: 332.28
52-week average: 801.21
Change over the year: −81.41%

Conversion tables

OP to KHR
OP	KHR
1 OP	539.24 KHR
10 OP	5,392.39 KHR
100 OP	53,923.94 KHR
1,000 OP	539,239.42 KHR
10,000 OP	5,392,394.21 KHR
50,000 OP	26,961,971.03 KHR
100,000 OP	53,923,942.05 KHR

KHR to OP
KHR	OP
1 KHR	0.001854 OP
10 KHR	0.01854 OP
100 KHR	0.1854 OP
1,000 KHR	1.85446380 OP
10,000 KHR	18.54463800 OP
50,000 KHR	92.72319000 OP
100,000 KHR	185.44638000 OP

Get OP→KHR rates via API

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

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Questions about OP to KHR

How much is 1 OP in KHR?

1 Optimism is 539.24 Cambodian riels at the mid-market rate of 4 October 2026, 14:18 UTC, when 1 OP = 539.239 KHR.

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

Over the last 52 weeks 1 OP ranged from 332.282 to 3,036.79 KHR, 801.208 KHR on average.

Which exchange rate is this?

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