Convert a Roman number to a numeric value and vice versa
Roman numerals table
Roman numerals table
Values:
I = 1 V = 5 X = 10 L = 50 C = 100 D = 500 M = 1000
Rules:
- The letters I, X, C can be repeated thrice in succession. - V, L, D cannot be repeated or the number is considered to be invalid. - If a lower value digit is written to the right of a higher value digit, it is added. - If a lower value digit is written to the left of a higher value digit, it is subtracted. - Only I, X, and C can be used as subtractive numerals.