Hong Kong Dollar
HKDPrimary country: Hong Kong
Symbol
HK$
Decimal Places
2
ISO Numeric
344
Formatting Example
HK$1,234.56
Usage in Code
// JavaScript Intl.NumberFormat
new Intl.NumberFormat('en', {
style: 'currency',
currency: 'HKD'
}).format(1234.56)
// → "HK$1,234.56"
// ISO 4217 code: HKD
// Numeric code: 344
// Minor unit: 2 decimal placesAbout Hong Kong Dollar
The Hong Kong Dollar (HKD) is the official currency of Hong Kong, identified by the ISO 4217 code "HKD" and numeric code 344. Its symbol is HK$, and amounts are typically formatted with 2 decimal places (e.g., HK$1,234.56).
In software development, currency codes are essential for e-commerce, financial applications, and internationalization. The JavaScript Intl.NumberFormat API supports formatting amounts in HKD with locale-aware separators and symbols. Payment processors like Stripe and PayPal require ISO 4217 currency codes when processing transactions.
When building multi-currency applications, store amounts in the smallest unit (e.g., cents for HKD) to avoid floating-point precision errors. Use the decimal places value (2) to correctly convert between major and minor units. APIs like exchangeratesapi.io and Open Exchange Rates provide real-time conversion rates for HKD.