BRL/VND: what to know
The BRL/VND rate shows how much VND you get for 1 BRL. Right now, 1 BRL buys 5,007.72 VND at the mid-market rate. In the other direction, 1 VND is worth 0.000199692 BRL.
In the short term BRL is driven mainly by commodity prices and central-bank policy, while VND responds to exports and central-bank policy.
The Brazilian Real (BRL) is issued by Central Bank of Brazil. The real was introduced in 1994 to end hyperinflation; the plural is “reais”. The Vietnamese Dong (VND) is issued by State Bank of Vietnam. The đồng has very high denominations — notes go up to 500,000.
Use this mid-market figure as your benchmark: compare it with the rate your bank or broker quotes, and the difference is the margin you would pay.