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Old Belarusian Ruble (BYR) to Iranian Rial (IRR)

Convert old Belarusian rubles to Iranian rials at the live mid-market rate. Reverse: IRR 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 IRR.

1 Old Belarusian Ruble =

89 IRR 0.00% today

1 BYR = 88.8806 IRR · 1 IRR = 0.011251 BYR

Mid-market rate, updated 15:08 UTC. Paid plans update as often as every 60 seconds. Get BYR→IRR rates via API

BYR to IRR over the last year

050.00Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
88.881
52-week low
1.230
52-week average
42.810
Change over the year
+7,060.49%

Conversion tables

BYR to IRR
BYR IRR
1 BYR 89 IRR
10 BYR 889 IRR
100 BYR 8,888 IRR
1,000 BYR 88,881 IRR
10,000 BYR 888,806 IRR
50,000 BYR 4,444,031 IRR
100,000 BYR 8,888,062 IRR
IRR to BYR
IRR BYR
1 IRR 0.01125 BYR
10 IRR 0.1125 BYR
100 IRR 1 BYR
1,000 IRR 11 BYR
10,000 IRR 113 BYR
50,000 IRR 563 BYR
100,000 IRR 1,125 BYR

Get BYR→IRR rates via API

The live rate, the rate on any past day or a whole range, for IRR 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=IRR \
  -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=IRR \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about BYR to IRR

How much is 1 BYR in IRR?

1 Old Belarusian Ruble is 88.8806 Iranian rials at the mid-market rate of 4 October 2026, 15:08 UTC, and 1 IRR is 0.011251 BYR.

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

Over the last 52 weeks 1 BYR ranged from 1.22988 to 88.8806 IRR, 42.81 IRR on average.

Which exchange rate is this?

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