All tools / Roman Numeral Converter2001 in Roman numerals2001 is written as MMIHow it breaks down2000 = MM · 1 = IConvert any number with the full Roman Numeral ConverterNearby numbers1998 = MCMXCVIII1999 = MCMXCIX2000 = MM2002 = MMII2003 = MMIII2004 = MMIV