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FREE ROMAN NUMERAL CONVERTER
Convert any number to Roman numerals or Roman numerals to numbers instantly. Free converter with chart. No signup needed.
Number → Roman
Roman → Number
Invalid input. Enter a number (1-3999) or Roman numeral.
Roman numeral reference chart
I
1
V
5
X
10
L
50
C
100
D
500
M
1000
IV
4
Roman Numeral Rules
- Symbols are generally written from largest to smallest, left to right
- When a smaller symbol precedes a larger one, subtract it: IV = 4, IX = 9, XL = 40, XC = 90, CD = 400, CM = 900
- You can repeat a symbol up to 3 times: III = 3, XXX = 30, CCC = 300, MMM = 3000
- V, L, and D are never repeated
Common Roman Numerals
- 2026 = MMXXVI | 2000 = MM | 1999 = MCMXCIX
- 100 = C | 500 = D | 1000 = M
- 50 = L | 40 = XL | 90 = XC
Frequently Asked Questions
What is the maximum number?+
Standard Roman numerals go up to 3999 (MMMCMXCIX). Numbers above this are not standard.
Are Roman numerals still used today?+
Yes. Clock faces, book chapters, movie sequels, Super Bowl numbers, and year copyrights often use Roman numerals.
What is the Roman numeral for 2026?+
2026 = MMXXVI (MM=2000, XX=20, VI=6).
Can I convert any Roman numeral?+
Yes. Enter any valid Roman numeral (using I, V, X, L, C, D, M) to convert it to a number.
Is it free?+
Yes, 100% free with no signup.