Numbers To Roman Numerals

Number

Roman Numeral

About Numbers to Roman Numerals Converter Online Tool:

This online Roman Numerals to Numbers Converter helps you to convert one Roman Numeral into a number (base 10). Put Roman Numeral into the first textbox, the number result will show in the second textbox.

Roman Numerals:

Roman numerals is invented by ancient Rome, it use letters from Latin ("I" for "1", "V" for "5", "X" for "10", "L" for "50", "C" for "100", "D" for "500", "M" for "1000") to represent numbers. Roman numerals is still widely used in academic paper chapter numbering system.

Step 1:Roman numerals is invented by ancient Rome, it use letters from Latin ["M": 1000, "CM": 900, "D": 500, "CD": 400, "C": 100, "XC": 90, "L": 50, "XL": 40, "X": 10, "IX": 9, "V": 5, "IV": 4, "I": 1] , Remember its order and each value.

Step 2: From left to right, subtract as much large combination as you can, unless it's not smaller than 0.

Example 1: Convert Number "424" to Roman Numeral:

424 = 400 + 10 + 10 + 4 = CD + X + X + IV = CDXXIV

Example 2: Convert Number "2019" to Roman Numeral:

2019 = 1000 + 1000 + 10 + 9 = M + M + X + IX = MMXIX