VND/SGD: what to know
The VND/SGD rate shows how much SGD you get for 1 VND. Right now, 1 VND buys 0.0000497443 SGD at the mid-market rate. In the other direction, 1 SGD is worth 20,102.79 VND.
In the short term VND is driven mainly by exports and central-bank policy, while SGD responds to the MAS-managed currency basket.
The Vietnamese Dong (VND) is issued by State Bank of Vietnam. The đồng has very high denominations — notes go up to 500,000. The Singapore Dollar (SGD) is issued by Monetary Authority of Singapore. The Singapore and Brunei dollars are interchangeable at par.
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.