Mexican Peso
MXNPrimary country: Mexico
Symbol
MX$
Decimal Places
2
ISO Numeric
484
Formatting Example
MX$1,234.56
Usage in Code
// JavaScript Intl.NumberFormat
new Intl.NumberFormat('en', {
style: 'currency',
currency: 'MXN'
}).format(1234.56)
// → "MX$1,234.56"
// ISO 4217 code: MXN
// Numeric code: 484
// Minor unit: 2 decimal placesAbout Mexican Peso
The Mexican Peso (MXN) is the official currency of Mexico, identified by the ISO 4217 code "MXN" and numeric code 484. Its symbol is MX$, and amounts are typically formatted with 2 decimal places (e.g., MX$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 MXN 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 MXN) 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 MXN.