All tools / Roman Numeral Converter2004 in Roman numerals2004 is written as MMIVHow it breaks down2000 = MM · 4 = IVConvert any number with the full Roman Numeral ConverterNearby numbers2001 = MMI2002 = MMII2003 = MMIII2005 = MMV2006 = MMVI2007 = MMVII