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  2. OMR to ARB

Omani Rial (OMR) to Arbitrum (ARB)

Convert Omani rials to Arbitrums at the live mid-market rate. Reverse: ARB to OMR

1 Omani Rial =

12.81325899 ARB −0.40% today

1 OMR = 12.8133 ARB · 1 ARB = 0.0780442 OMR

Mid-market rate, updated 15:34 UTC. Paid plans update as often as every 60 seconds. Get OMR→ARB rates via API

OMR to ARB over the last year

10.0020.0030.00Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
35.462
52-week low
5.687
52-week average
20.699
Change over the year
+114.24%

Conversion tables

OMR to ARB
OMR ARB
1 OMR 12.81325899 ARB
10 OMR 128.13258988 ARB
100 OMR 1,281.32589877 ARB
1,000 OMR 12,813.25898770 ARB
10,000 OMR 128,132.58987700 ARB
50,000 OMR 640,662.94938500 ARB
100,000 OMR 1,281,325.89877000 ARB
ARB to OMR
ARB OMR
1 ARB 0.07804 OMR
10 ARB 0.7804 OMR
100 ARB 7.804 OMR
1,000 ARB 78.044 OMR
10,000 ARB 780.442 OMR
50,000 ARB 3,902.208 OMR
100,000 ARB 7,804.416 OMR

Get OMR→ARB rates via API

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

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

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Questions about OMR to ARB

How much is 1 OMR in ARB?

1 Omani Rial is 12.8133 Arbitrums at the mid-market rate of 4 October 2026, 15:34 UTC, and 1 ARB is 0.0780442 OMR.

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

Over the last 52 weeks 1 OMR ranged from 5.68745 to 35.4619 ARB, 20.6987 ARB on average.

Which exchange rate is this?

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