100 in Roman Numerals

C

C is a single Roman symbol group for 100.

How 100 is written in Roman numerals

The number 100 is written C in Roman numerals. Roman numerals use seven letters — I (1), V (5), X (10), L (50), C (100), D (500) and M (1000) — combined from largest to smallest, with subtractive pairs such as IV (4) and IX (9). Need another number? Use the Roman numeral converter or see the 1–100 chart.

Nearby numbers

XC90 XCIX99 CC200 CCC300

Popular numbers in Roman numerals

IV4 IX9 X10 XL40 XLIX49 L50 XC90 XCIX99 D500 M1000 MMXXV2025 ☰1–100 chart ⇄Converter

Frequently Asked Questions

What is 100 in Roman numerals?
100 in Roman numerals is C.
How do you write 100 in Roman numerals?
Write 100 as C. Roman numerals are built by adding symbols from largest to smallest, using subtractive pairs like IV and IX where needed.