1 in Roman Numerals
I
Roman numeral for 1
The number 1 is written as I in Roman numerals.
Convert any number — 1 to 3,999,999
How I is formed
| I | 1 | |
| I | 1 |
About this number
Represented by a single symbol. Composed entirely of the letter I.
Base Symbols
I=1V=5X=10L=50C=100D=500M=1000
See also: What is I? · Chart 1–100