1 in Roman Numerals

1 in Roman numerals is
I
1 = 1
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The number 1 is written I in Roman numerals. Reading left to right and adding the values gives 1 = 1. Roman numerals use seven letters — I (1), V (5), X (10), L (50), C (100), D (500) and M (1000) — with a smaller letter before a larger one meaning subtraction (IV = 4, IX = 9, XL = 40, XC = 90, CD = 400, CM = 900).

Nearby & popular values

2 = II3 = III
4 = IV9 = IX14 = XIV40 = XL49 = XLIX90 = XC99 = XCIX100 = C500 = D1000 = M1984 = MCMLXXXIV1990 = MCMXC1999 = MCMXCIX2000 = MM2024 = MMXXIV2025 = MMXXV2026 = MMXXVI3999 = MMMCMXCIX

Frequently asked

What is 1 in Roman numerals?

1 in Roman numerals is I.

How is 1 written in Roman numerals?

1 is written I, which breaks down as 1 = 1.

Is there a Roman numeral for zero?

No. The Roman system has no symbol for zero, which is one reason it was eventually replaced for calculation.