Convert 100 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

100 old Belarusian rubles =

0.02521 ARB −0.25% today

1 BYR = 0.00025212 ARB · 1 ARB = 3,966.37 BYR

Mid-market rate, updated 15:26 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: +270.42%

Conversion tables

BYR to ARB
BYR	ARB
1 BYR	0.0002521 ARB
10 BYR	0.002521 ARB
100 BYR	0.02521 ARB
1,000 BYR	0.2521 ARB
10,000 BYR	2.52119700 ARB
50,000 BYR	12.60598500 ARB
100,000 BYR	25.21197000 ARB

ARB to BYR
ARB	BYR
1 ARB	3,966 BYR
10 ARB	39,664 BYR
100 ARB	396,637 BYR
1,000 ARB	3,966,370 BYR
10,000 ARB	39,663,704 BYR
50,000 ARB	198,318,522 BYR
100,000 ARB	396,637,043 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 100 BYR in ARB?

100 old Belarusian rubles is 0.02521 Arbitrums at the mid-market rate of 4 October 2026, 15:26 UTC, when 1 BYR = 0.00025212 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.