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Roman Numeral Converter

2 in Roman Numerals

2 in Roman numerals is II. 2 is two Is in a row: II. All its letters are added: 1 + 1 = 2. In lowercase it is ii, and the number is two. No smaller number needs two letters; II is the first.

2 in Roman numeralsII
Numbers and numerals are detected as you type. Enter copies, Alt+S swaps.
  1. 21 + 1II
Output options

How II is built

  1. ones2 = 2 × 1 → II

    2 is two Is in a row: II.

What sets II apart

Two Is
II doubles I. A third I is still allowed, and that is III, 3; after it the ones switch to subtraction.
I plus one I
Coming from 1, I, you only add another I.
Twice 1
2 is twice 1 (I), and here the letters double too: each letter of I is written twice to make II.
Doubled: 4
Double it and you reach 4 (IV): a subtraction appears that II did not need: IV.
Times ten
Multiply by ten and each letter moves up one rank: II becomes XX, the numeral for 20.

Where you see II

Sport

Super Bowl II was played on January 14, 1968, in Miami, where the Green Bay Packers beat the Raiders (then the Oakland Raiders) 33–14. Wikipedia The Games of the II Olympiad were the 1900 Summer Olympics in Paris. Wikipedia

Kings, queens and popes

Elizabeth II was Queen of the United Kingdom from 1952 to 2022. Wikipedia

Films, games, books and software

The Godfather Part II (1974) won the Academy Award for Best Picture. Wikipedia

Events and history

The Second World War, known as World War II, lasted from 1939 to 1945. Wikipedia

Systems numbered with II

Cranial nerve II is the optic nerve, which carries vision. Wikipedia

Facts checked

Numbers near 2

II roman numeral · Roman numeral rules

2 in Roman numerals is II, shown as a large numeral
2 = II