The currency code for Hong Kong Dollar is HKD, and the currency symbol is $. Calculator Use Use this USD to HKD converter ($ to $) to get today's exchange rate, in real time from American Samoan currency to Hong Konger currency or to any other world's currency, even offline. Convert Euros to Hong Kong Dollars (EUR/HKD). View charts, common conversions, historical exchange rates and more. The lowdown on the Hong Kong dollar . During the 19 th century, Hong Kong made use of wide swathe of countries’ currencies, including Spanish dollars, Mexican pesos and Indian rupees. Once a British colony, the UK tried to standardise the currence by introducing sterling coins, but they were unpopular and foreign currency continued to be used widely.