Norwegian Krone
NOKPrimary country: Norway
Symbol
kr
Decimal Places
2
ISO Numeric
578
Formatting Example
kr 1 234,56
Usage in Code
// JavaScript Intl.NumberFormat
new Intl.NumberFormat('en', {
style: 'currency',
currency: 'NOK'
}).format(1234.56)
// → "kr 1 234,56"
// ISO 4217 code: NOK
// Numeric code: 578
// Minor unit: 2 decimal placesAbout Norwegian Krone
The Norwegian Krone (NOK) is the official currency of Norway, identified by the ISO 4217 code "NOK" and numeric code 578. Its symbol is kr, and amounts are typically formatted with 2 decimal places (e.g., kr 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 NOK 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 NOK) 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 NOK.