$2 Explained

$2 primarily refers to banknotes, bills or coins, including:

Currency

• Australian two dollar coin, which replaced
  • Australian 2 dollar note
• Toonie, the Canadian two-dollar coin, which replaced
  • Canadian two-dollar bill
• United States two-dollar bill, a current denomination of U.S. currency
• Hong Kong two-dollar coin, the third-highest denomination coin of the Hong Kong dollar
• New Zealand two-dollar coin, which replaced the two-dollar banknote

Other currencies with $2 banknotes, bills or coins are:

• Bahamian dollar
• Barbadian dollar
• Belize dollar
• Bermudian dollar

• Cook Islands dollar

• Fijian dollar

• Samoan tālā
• Singapore dollar
• Solomon Islands dollar

• Tuvaluan dollar

• Tongan paʻanga
• Argentine peso

• Mexican peso
• Uruguayan peso
• Brazilian real

Other uses

• $2, a formal parameter in some programming languages