🏛️Roman Numeral Converter

Need to read or write Roman numerals? Our free Roman numeral converter translates both ways in an instant. Type a number and see its Roman numeral, or paste a numeral like MCMXCIV and get the number—1994—straight back. Change either side and the other updates live, so you never have to puzzle over the symbols yourself.

It's accurate and forgiving: it follows the standard rules (including subtractive pairs like IV and IX), validates numerals so you'll know if one is written incorrectly, and can show the breakdown so you can see exactly how the value adds up. It covers the standard range from 1 to 3,999. Whether you're decoding a clock face, a movie copyright date, a book chapter, or a monument inscription—or writing numerals for a design or tattoo—you'll get the right answer every time.

Simply enter a number or a numeral to convert instantly. No sign-up, no downloads, no limits—just accurate results whenever you need them.