Convert 1 Old Belarusian Ruble (BYR) to Arbitrum (ARB)

Convert old Belarusian rubles to Arbitrums at the live mid-market rate. Reverse: ARB to BYR

The Old Belarusian Ruble is no longer in use

Old Belarusian Ruble (BYR) was replaced by the Belarusian Ruble (BYN) in 2016. For today’s money, convert BYN to ARB.

Amount

From

1 Old Belarusian Ruble =

0.0002528 ARB +0.03% today

1 BYR = 0.00025282 ARB · 1 ARB = 3,955.40 BYR

Mid-market rate, updated 16:33 UTC. Paid plans update as often as every 60 seconds. Get BYR→ARB rates via API

BYR to ARB over the last year

52-week high: 0.00069675
52-week low: 0.00006451
52-week average: 0.00033319
Change over the year: +271.45%

Conversion tables

BYR to ARB
BYR	ARB
1 BYR	0.0002528 ARB
10 BYR	0.002528 ARB
100 BYR	0.02528 ARB
1,000 BYR	0.2528 ARB
10,000 BYR	2.52818900 ARB
50,000 BYR	12.64094500 ARB
100,000 BYR	25.28189000 ARB

ARB to BYR
ARB	BYR
1 ARB	3,955 BYR
10 ARB	39,554 BYR
100 ARB	395,540 BYR
1,000 ARB	3,955,400 BYR
10,000 ARB	39,554,002 BYR
50,000 ARB	197,770,012 BYR
100,000 ARB	395,540,025 BYR

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

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Questions about BYR to ARB

How much is 1 BYR in ARB?

1 Old Belarusian Ruble is 0.0002528 Arbitrums at the mid-market rate of 4 October 2026, 16:33 UTC, when 1 BYR = 0.00025282 ARB.

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

Over the last 52 weeks 1 BYR ranged from 0.00006451 to 0.00069675 ARB, 0.00033319 ARB on average.

Which exchange rate is this?

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