The Roman numeral for 100 is C. Break 100 into thousands, hundreds, tens and ones to see why. The converter below turns any number into Roman numerals and back.
100 as a Roman Numeral
C is a single block of symbols that equals 100.
Roman numerals also number book chapters, outlines, and the names of kings and popes.
Free Roman Numeral Converter
How 100 Breaks Down
| Place | Value | Roman |
|---|---|---|
| Hundreds | 100 | C |
| Total | 100 | C |
Write the parts in order from largest to smallest to get C.
The Rules That Make C
| Symbol | I | V | X | L | C | D | M |
|---|---|---|---|---|---|---|---|
| Value | 1 | 5 | 10 | 50 | 100 | 500 | 1000 |
- Add symbols from largest to smallest: VI = 5 + 1.
- Repeat I, X, C or M up to three times: XXX = 30.
- Put a smaller symbol before a larger one to subtract: IV = 4, IX = 9.
C has no subtractive pair, so you only add the symbols from left to right.
100 and the Numbers Around It
| Number | Roman numeral |
|---|---|
| 96 in Roman numerals | XCVI |
| 97 in Roman numerals | XCVII |
| 98 in Roman numerals | XCVIII |
| 99 in Roman numerals | XCIX |
| 101 in Roman numerals | CI |
| 102 in Roman numerals | CII |
| 103 in Roman numerals | CIII |
| 104 in Roman numerals | CIV |
See the full list in the Roman numerals chart.
FAQs About 100 in Roman Numerals
What is 100 in Roman numerals?
100 in Roman numerals is C.
What is C as a number?
C equals 100.
How do you write 101 in Roman numerals?
101 in Roman numerals is CI.
Is C a valid Roman numeral?
Yes. C follows the standard rules: symbols run from largest to smallest, and only valid subtractive pairs appear.
The Short Version
100 is C. Split the number into thousands, hundreds, tens and ones, write each part, and join them in order.
