Convert 10 Arbitrum (ARB) to Optimism (OP)

Convert Arbitrums to Optimism at the live mid-market rate. Reverse: OP to ARB

Amount

From

10 Arbitrums =

14.94323723 OP +1.11% today

1 ARB = 1.49432 OP · 1 OP = 0.669199 ARB

Mid-market rate, updated 06:26 UTC. Paid plans update as often as every 60 seconds. Get ARB→OP rates via API

ARB to OP over the last year

52-week high: 1.8372
52-week low: 0.5690
52-week average: 0.8577
Change over the year: +149.19%

Conversion tables

ARB to OP
ARB	OP
1 ARB	1.49432372 OP
10 ARB	14.94323723 OP
100 ARB	149.43237233 OP
1,000 ARB	1,494.32372330 OP
10,000 ARB	14,943.23723300 OP
50,000 ARB	74,716.18616500 OP
100,000 ARB	149,432.37233000 OP

OP to ARB
OP	ARB
1 OP	0.6692 ARB
10 OP	6.69199039 ARB
100 OP	66.91990393 ARB
1,000 OP	669.19903930 ARB
10,000 OP	6,691.99039300 ARB
50,000 OP	33,459.95196500 ARB
100,000 OP	66,919.90393000 ARB

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

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Questions about ARB to OP

How much is 10 ARB in OP?

10 Arbitrums is 14.94323723 Optimism at the mid-market rate of 4 October 2026, 06:26 UTC, when 1 ARB = 1.49432 OP.

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

Over the last 52 weeks 1 ARB ranged from 0.569033 to 1.83715 OP, 0.857701 OP on average.

Which exchange rate is this?

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