Roman Numeral Converter

Numbers ↔ Roman numerals (1–3,999)

Convert
Type a number to get Roman numerals, or Roman numerals to get a number
2026 →
MMXXVI
Roman numeral
Breakdown2,000 = MM · 20 = XX · 6 = VI
Basic Symbols
SymbolIVXLCDM
Value1510501005001,000

Write larger values first and add; a smaller symbol before a larger one is subtracted (IV = 4, IX = 9, XL = 40, XC = 90, CD = 400, CM = 900). A symbol repeats at most three times; IIII on clock faces is a tradition.

Roman Numerals 1–30
No.RomanNo.RomanNo.Roman
1I2II3III
4IV5V6VI
7VII8VIII9IX
10X11XI12XII
13XIII14XIV15XV
16XVI17XVII18XVIII
19XIX20XX21XXI
22XXII23XXIII24XXIV
25XXV26XXVI27XXVII
28XXVIII29XXIX30XXX
Tens, Hundreds & Years
No.RomanNo.RomanNo.Roman
10X20XX30XXX
40XL50L60LX
70LXX80LXXX90XC
100C200CC300CCC
400CD500D900CM
1000M2000MM3000MMM
2020MMXX2021MMXXI2022MMXXII
2023MMXXIII2024MMXXIV2025MMXXV
2026MMXXVI2027MMXXVII2028MMXXVIII
2029MMXXIX2030MMXXX2031MMXXXI
Formulas & Sources
🏛️ Wikipedia — Roman numerals
Last reviewed: 2026-10-19
FAQ
How do you write 2026 in Roman numerals?
2026 = MMXXVI: 2000 (MM) + 20 (XX) + 6 (VI). 2027 is MMXXVII.
Is 4 written IV or IIII?
The standard form is IV (5 − 1). Many clock faces use IIII by tradition.
What is 100 in Roman numerals?
100 is C, 50 is L, 500 is D and 1,000 is M. 90 is XC and 400 is CD.
What is the largest Roman numeral?
With standard symbols, MMMCMXCIX (3,999). Larger values use an overline to multiply by 1,000.
Is there a zero in Roman numerals?
No. Medieval writers sometimes used N (for nulla, 'nothing').

How Roman numerals work

Roman numerals use seven symbols — I (1), V (5), X (10), L (50), C (100), D (500), M (1,000) — added from largest to smallest, with a smaller symbol before a larger one subtracted.

Type a number to get Roman numerals or type Roman numerals to get a number, with a place-by-place breakdown. Handy for clocks, outlines, movie years and tattoos.

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