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  2. RON to OP

Romanian Leu (RON) to Optimism (OP)

Convert Romanian lei to Optimism at the live mid-market rate. Reverse: OP to RON

1 Romanian Leu =

1.56284689 OP +1.28% today

1 RON = 1.56285 OP · 1 OP = 0.639858 RON

Mid-market rate, updated 04:50 UTC. Paid plans update as often as every 60 seconds. Get RON→OP rates via API

RON to OP over the last year

1.002.00Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
2.6861
52-week low
0.3036
52-week average
1.5401
Change over the year
+390.44%

Conversion tables

RON to OP
RON OP
1 RON 1.56284689 OP
10 RON 15.62846890 OP
100 RON 156.28468904 OP
1,000 RON 1,562.84689040 OP
10,000 RON 15,628.46890400 OP
50,000 RON 78,142.34452000 OP
100,000 RON 156,284.68904000 OP
OP to RON
OP RON
1 OP 0.6399 RON
10 OP 6.40 RON
100 OP 63.99 RON
1,000 OP 639.86 RON
10,000 OP 6,398.58 RON
50,000 OP 31,992.90 RON
100,000 OP 63,985.79 RON

Get RON→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=RON -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=RON -d currencies=OP \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about RON to OP

How much is 1 RON in OP?

1 Romanian Leu is 1.56285 Optimism at the mid-market rate of 4 October 2026, 04:50 UTC, and 1 OP is 0.639858 RON.

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

Over the last 52 weeks 1 RON ranged from 0.303616 to 2.68609 OP, 1.54015 OP on average.

Which exchange rate is this?

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