1. Central bank exchange rates
  2. Banco Central do Brasil
  3. AUD

Banco Central do Brasil Australian Dollar rate

1 AUD = 3.6433 BRL โˆ’0.45%

Published Tuesday, 29 September 2026 as the pTAX closing rates (selling).

1 BRL = 0.274476 AUD

AUD to BRL over the last year

3.623.643.66
52-week high
3.6597
52-week low
3.6175
52-week average
3.6404
Change over the year
+0.30%

Yearly averages

The mean of each yearโ€™s publications, 1 AUD in BRL. Open a year for every daily rate and the monthly averages.

YearAverageHighLowPublications
2026 3.6404 3.6597 3.6175 6

This rate via API

The Banco Central do Brasil AUD rate for any day since 22 September 2026, or every publication in a range of up to a year, as JSON or CSV.

curl https://api.currencyapi.com/v3/official \
  -G -d source=bcb -d base_currency=AUD \
  -d currencies=BRL -d date=2026-09-29 \
  -H "apikey: YOUR-API-KEY"

# every publication of 2026
curl https://api.currencyapi.com/v3/official/range \
  -G -d source=bcb -d currencies=AUD \
  -d date_from=2026-01-01 -d date_to=2026-12-31 \
  -H "apikey: YOUR-API-KEY"

Australian Dollar at other central banks

Questions about this rate

What is the Banco Central do Brasil AUD rate today?

On 29 September 2026 the Banco Central do Brasil published 1 AUD = 3.6433 BRL (1 BRL = 0.274476 AUD).

What was the average AUD rate in 2026?

The average of the 6 publications in 2026 is 1 AUD = 3.64038 BRL, 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.