๐ World Currency Directory
Explore currencies from every country and region. Search by currency name, code, or country.
About Currency Codes (ISO 4217)
Every currency has a unique 3-letter code defined by the ISO 4217 standard:
- First 2 letters โ Usually the country code (e.g., US = United States)
- 3rd letter โ Usually the first letter of the currency name (D = Dollar)
- Special cases โ EUR (Euro), XAU (Gold), XAG (Silver)
Common Forex Currencies
The most traded currencies are: USD, EUR, JPY, GBP, AUD, CAD, CHF, NZD โ known as the "Majors."
## Understanding Currency Codes (ISO 4217)
The **ISO 4217** standard is the internationally recognized system for encoding currencies. Maintained by the Swiss-based SIX Group on behalf of the International Organization for Standardization, it assigns a unique three-letter alphabetic code to every currency in the world.
### How Currency Codes Are Structured
- **First two letters** โ Typically the ISO 3166-1 alpha-2 country code (e.g., `US` for United States, `GB` for Great Britain, `JP` for Japan).
- **Third letter** โ Usually the initial of the currency name (`D` for Dollar, `P` for Pound, `Y` for Yen).
- **Supranational codes beginning with "X"** โ Reserved for currencies not tied to a single country (e.g., `EUR` for the Euro, `XAU` for gold, `XOF` for the West African CFA franc).
### Code Categories
| Prefix | Meaning | Examples |
|--------|---------|----------|
| A | Typically assigned to countries AโD | AED (UAE Dirham), AUD (Australian Dollar) |
| B | Countries BโC | BRL (Brazilian Real), BGN (Bulgarian Lev) |
| C | Countries CโC | CAD (Canadian Dollar), CHF (Swiss Franc) |
| DโK | Various nations | DKK (Danish Krone), KRW (South Korean Won) |
| LโR | Various nations | LKR (Sri Lankan Rupee), RUB (Russian Ruble) |
| SโT | Various nations | SEK (Swedish Krona), THB (Thai Baht) |
| UโZ | Various nations | USD (US Dollar), ZAR (South African Rand) |
| X | Supranational, commodities, special | EUR (Euro), XAU (Gold), BTC (Bitcoin) |
### Numeric Codes
In addition to the alphabetic code, ISO 4217 also assigns a **three-digit numeric code** to each currency. These numeric codes are especially useful in countries that use non-Latin scripts and help prevent errors in international banking and financial systems. For example, USD = 840, EUR = 978, JPY = 392.
### Why ISO 4217 Matters
- **Eliminates ambiguity** โ Multiple countries use "dollar" or "peso" as their currency name; the 3-letter code removes confusion (USD vs. AUD vs. CAD).
- **Standardizes global finance** โ Banks, payment processors, and forex platforms worldwide rely on these codes for settlement and reporting.
- **Facilitates automation** โ Software systems, APIs, and databases use ISO 4217 codes as a universal language for currency identification.
๐ World Currency Directory
Explore currencies from every country and region. Search by currency name, code, or country.
About Currency Codes (ISO 4217)
Every currency has a unique 3-letter code defined by the ISO 4217 standard:
- First 2 letters โ Usually the country code (e.g., US = United States)
- 3rd letter โ Usually the first letter of the currency name (D = Dollar)
- Special cases โ EUR (Euro), XAU (Gold), XAG (Silver)
Common Forex Currencies
The most traded currencies are: USD, EUR, JPY, GBP, AUD, CAD, CHF, NZD โ known as the "Majors."
Major Reserve Currencies
A reserve currency is a foreign currency held in significant quantities by central banks and monetary authorities as part of their foreign exchange reserves. Reserve currencies are used for international trade, global commodities pricing, and as a benchmark for economic stability.
The “Big Four” Reserve Currencies
US Dollar (USD) โ The world’s dominant reserve currency, accounting for approximately 58โ59% of global foreign exchange reserves (as of 2024โ2025). The USD’s status stems from the size and depth of US capital markets, the petrodollar system, and decades of institutional trust.
Euro (EUR) โ The second most held reserve currency at roughly 20% of global reserves. Introduced in 1999, the Euro is used by 20 European Union member states and is the primary currency for international trade within Europe.
Japanese Yen (JPY) โ A traditional safe-haven currency, holding approximately 5โ6% of global reserves. Japan’s large current account surplus and the Yen’s role in carry trades contribute to its reserve status.
British Pound Sterling (GBP) โ Once the world’s dominant currency, the Pound now accounts for roughly 4โ5% of global reserves. London’s role as a global financial center sustains demand for GBP.
Rising Currencies
- Chinese Yuan (CNY/RMB) โ Added to the IMF’s Special Drawing Rights (SDR) basket in 2016, the Yuan has grown to approximately 2.3% of global reserves. China’s Belt and Road Initiative and bilateral swap agreements continue to internationalize the Yuan.
- Australian Dollar (AUD) and Canadian Dollar (CAD) โ Often called “commodity currencies,” both have gained reserve status at roughly 2% each, driven by their stable economies and commodity exports.
- Swiss Franc (CHF) โ A traditional safe-haven currency with a small but consistent share of reserves.
What Makes a Currency a Reserve Currency?
- Economic size and trade volume of the issuing country
- Free and open capital markets allowing easy conversion
- Political and institutional stability
- Deep, liquid bond markets for safe asset storage
- Network effects โ widespread use in invoicing and settlement
Currency Symbols and Their Origins
Currency symbols are among the most recognizable typographic characters in the world. Each carries a history that reflects the culture, economy, and evolution of its nation.
The Dollar Sign ($)
The $ symbol is used by over 20 countries. Its origin is debated, but the most widely accepted theory traces it to the Spanish peso (also called “pieces of eight”), which was abbreviated as “ps.” Over time, the “s” was superimposed on the “p,” creating the familiar $ shape. Another theory links it to the pillars of Hercules on the Spanish coat of arms, wrapped with a scroll โ a motif found on Spanish colonial coins.
The Pound Sign (ยฃ)
The ยฃ symbol derives from the Latin word “libra” (meaning “pound weight”), reflecting the Roman system of measurement that underpinned the British monetary system. The single horizontal stroke distinguishes it from the capital letter “L.” The pound sterling has been in continuous use since Anglo-Saxon times, making it one of the world’s oldest currencies still in circulation.
The Euro Sign (โฌ)
The โฌ symbol was designed in 1996 by a team at the European Commission. Inspired by the Greek letter epsilon (ฮต) โ a reference to the cradle of European civilization โ and crossed by two parallel lines representing stability. The design was selected from among ten proposals submitted to a panel of EU officials and design experts.
The Yen/Yuan Sign (ยฅ)
The ยฅ symbol represents both the Japanese Yen and the Chinese Yuan (Renminbi). It originates from the Chinese character ๅ (meaning “round” or “circle”), referring to the round shape of coins. The Latin “Y” was adopted in the 19th century as Western trade with East Asia expanded and standardized currency notation.
The Indian Rupee Sign (โน)
Adopted in 2010, the โน symbol was designed by D. Udaya Kumar, an Indian academic. It combines the Devanagari letter “เคฐ” (Ra) with the Latin capital letter “R” without the vertical stem. The two horizontal lines at the top represent the Indian tricolor flag and the concept of equality.
The Won Sign (โฉ)
The โฉ symbol for the South Korean Won is derived from the Korean character ์ (won), which itself comes from the Chinese ๅ (round). The double horizontal lines through the “W” represent stability.
The Ruble Sign (โฝ)
The โฝ symbol for the Russian Ruble was officially adopted in 2013 after a public vote. It is based on the Cyrillic letter “ะ ” with a horizontal stroke, symbolizing the ruble’s stability.
Other Notable Symbols
- เธฟ (Thai Baht) โ Derived from the Thai character เธฟ, from Sanskrit “bharata” (a unit of weight).
- โซ (Vietnamese Dong) โ From the word “ฤแปng,” meaning “copper” or “bronze.”
- โฆ (Nigerian Naira) โ A stylized “N” with double strokes, adopted in 1973.
- โต (Ghanaian Cedi) โ From the Akan word “sษdi,” referring to cowrie shells historically used as currency.
- โช (Israeli Shekel) โ Combines the Hebrew letters ืฉ (Shin) and ื (Het), initials of “Shekel Hadash” (New Shekel).
FAQ
What is the difference between currency codes and currency symbols?
A currency code is a three-letter alphabetic identifier defined by ISO 4217 (e.g., USD, EUR, JPY). It is used in banking, software, and international transactions to unambiguously identify a currency. A currency symbol is a graphical or typographic character (e.g., $, โฌ, ยฅ) used in everyday price display. Multiple countries can share the same symbol (e.g., $ is used by the US, Canada, Australia), but each has a unique code.
Why do some countries share the same currency symbol?
Several countries use “$” for their currencies because they all derive from the Spanish silver dollar (pieces of eight), which was the de facto global trade currency in the 17thโ19th centuries. To distinguish them, prefixes are added (A$, C$, NZ$, S$) or the ISO code (USD, CAD, AUD) is used in formal contexts.
What is the most traded currency in the world?
The US Dollar (USD) is by far the most traded currency, involved in approximately 88% of all forex transactions (2022 BIS Triennial Survey). The Euro (EUR) is second at around 31%, followed by the Japanese Yen (JPY) at 17%. (Note: percentages sum to more than 100% because each trade involves two currencies.)
What are “exotic” currencies?
In forex terminology, an exotic currency is one from a smaller or emerging economy that is not widely traded on global markets. Examples include the Thai Baht (THB), South African Rand (ZAR), and Turkish Lira (TRY). Exotic currencies typically have wider bid-ask spreads and lower liquidity than major currencies.
What is the highest-denomination currency note ever issued?
The Zimbabwe 100 Trillion Dollar note (Z$100,000,000,000,000), issued in 2009 during hyperinflation, is the highest denomination banknote ever printed. However, it had virtually no purchasing power. In terms of functional high-denomination notes, the Hungarian 100 Million B-Pengล note (1946) holds the record, equivalent to 10^20 pengล.
What is the difference between “hard” and “soft” currencies?
- Hard currency โ A currency that is widely accepted internationally, stable in value, and liquid in global markets (e.g., USD, EUR, CHF, JPY, GBP).
- Soft currency โ A currency that is not widely accepted outside its country of origin, may be subject to exchange controls, and tends to be volatile (often currencies of countries with high inflation or political instability).
How often do currency codes change?
Currency codes change relatively infrequently โ typically when a country undergoes a major monetary reform, redenomination, or geopolitical change. Notable recent examples include:
- EUR replacing national currencies (DEM, FRF, ITL, etc.) in the Eurozone
- BYN (New Belarusian Ruble) replacing BYR in 2016 after redenomination
- ZWL replacing the defunct ZWD in Zimbabwe
Can I use this directory for real-time exchange rates?
This directory provides currency identification and reference information โ codes, names, symbols, and country data. For live exchange rates, use a dedicated currency converter tool or financial data provider such as the European Central Bank (ECB), Open Exchange Rates, or XE.com.
Last updated: June 2026