Numbers, dates, inscriptions

Roman Numeral Converter

Convert regular numbers to Roman numerals, validate Roman numeral text, and get a clear breakdown you can copy for schoolwork, writing, design, tattoos, clocks, or event dates.

Converter inputs 1 to 3999

Use this for dates like birth years, anniversary years, or inscription years.

Ready.

2026 converts to MMXXVI

MMXXVI equals 2026.

Number 2026
Roman MMXXVI
Status Valid

Breakdown

    A simple converter for dates, chapters, outlines, and design work

    Roman numerals still show up in book chapters, movie credits, Super Bowl numbers, outlines, clocks, monuments, tattoos, and event dates. This converter keeps the rules visible instead of returning a mysterious string.

    Number to Roman

    Convert standard numbers from 1 to 3999 using common Roman numeral notation.

    Roman to number

    Paste a Roman numeral and check whether it is valid before using it in a design or inscription.

    Date year helper

    Convert year values for anniversaries, titles, tattoos, certificates, and event materials.

    FAQ

    What are the Roman numeral symbols?

    The basic symbols are I = 1, V = 5, X = 10, L = 50, C = 100, D = 500, and M = 1000.

    Why does 4 become IV?

    Roman numerals use subtractive notation for some values. IV means one before five, so it equals 4.

    Why does 9 become IX?

    IX means one before ten, so it equals 9. The same pattern appears in XL for 40 and XC for 90.

    Can Roman numerals represent zero?

    Standard Roman numerals do not include zero, so this converter starts at 1.

    Why stop at 3999?

    Standard Roman numerals usually avoid repeating M more than three times. Larger values need extended notation such as overlines.

    Are lowercase Roman numerals accepted?

    Yes. Lowercase input is converted to uppercase before validation.