USD or SGD fixed deposit: the break-even exchange rate

US$ or S$ deposit?

You have Singapore dollars US dollars, and need S$ later

Amount

For

Change money At DBS’s posted rates At MAS’s rate, no cost (the best case) At a cost each way of

You can Bring new money to the bank (“fresh funds”) Place it in the bank’s app or website Open an account with a new bank Use a priority or premier tier you have

The US dollar deposit ends ahead unless US$1 is worth less than S$1.2810 at the end: a fall of 0.4% from today’s S$1.2863. Over 12 months, the US dollar fell more than that against the S$ in 56% of the spans starting on each working day since Nov 2016.

After 12 months	In S$ at the end
US dollar deposit S$20,000 changed at DBS’s rates into US$15,393; Bank of China, 4.60%	S$20,544US$16,101 changed back at DBS’s rates, if the rate is the same as today
Singapore dollar deposit S$20,000 kept in S$; CIMB, 2.30%	S$20,460no exchange rate risk

Each side takes the highest rate that fits your amount and boxes, from the banks we read; simple interest, not taxed for individuals. MAS’s rate as of noon, 13 Nov; DBS’s posted rates (S$1.2993 to buy US$1, S$1.2760 back) at 6:15 pm, 13 Nov, its margin kept the same at the end. Past moves are not a forecast. Not advice.

Data: each bank’s own website, checked 13 Nov 2026. Full table and method on Numbers.sg