1. Central bank exchange rates
  2. National Bank of Ukraine
  3. BYB

National Bank of Ukraine Belarusian Ruble (1994–1999) rate

1 BYB = 0.00000583 UAH 0.00%

Published Friday, 31 December 1999 as the official hryvnia exchange rates.

1 UAH = 171,526.59 BYB

BYB to UAH over the last year

0.0000050.000010.000015Mar ’99May ’99Jul ’99Sep ’99Nov ’99
52-week high
0.00001789
52-week low
0.00000567
52-week average
0.00001038
Change over the year
−62.87%

Yearly averages

The mean of each year’s publications, 1 BYB in UAH. Open a year for every daily rate and the monthly averages.

YearAverageHighLowPublications
1999 0.00001038 0.00001789 0.00000567 106
1998 0.00003959 0.00004600 0.00003400 234
1997 0.00004674 0.00004700 0.00004600 50

This rate via API

The National Bank of Ukraine BYB rate for any day since 12 November 1997, or every publication in a range of up to a year, as JSON or CSV.

Get a free API key API documentation 
curl https://api.currencyapi.com/v3/official \
  -G -d source=nbu -d base_currency=BYB \
  -d currencies=UAH -d date=1999-12-31 \
  -H "apikey: YOUR-API-KEY"

# every publication of 1999
curl https://api.currencyapi.com/v3/official/range \
  -G -d source=nbu -d currencies=BYB \
  -d date_from=1999-01-01 -d date_to=1999-12-31 \
  -H "apikey: YOUR-API-KEY"

Questions about this rate

What is the National Bank of Ukraine BYB rate today?

On 31 December 1999 the National Bank of Ukraine published 1 BYB = 0.00000583 UAH (1 UAH = 171,526.59 BYB).

What was the average BYB rate in 1999?

The average of the 106 publications in 1999 is 1 BYB = 0.00001038 UAH, the simple mean of the daily rates.

Is this the rate I must use for tax or accounting?

That depends on your jurisdiction. Many rules name a specific bank and day, for example the rate published on the business day before the transaction. Use the date lookup in the API to get exactly the publication your rule asks for.