Roman Numerals and Alphabet Converter

Roman Numerals And Alphabet Conversion

Using the Roman numerals and alphabet converter

The calculator will convert position integer less than 5000 between Roman numerals and alphabet. The largest number you can enter is 4999, or MMMMCMXCIX in Roman numerals format.

About Roman numerals

Roman Numerals are based on seven symbols

  • I = 1
  • V = 5
  • X = 10
  • L = 50
  • C = 100
  • D = 500
  • M = 1,000

Numbers are made up of symbols, and value is sum of all of them. e.g.
VII = V + I + I = 5 + 1 + 1 = 7

Most used Roman numerals from one to a thousand

Roman Numerals Arabic
Numerals
uppercase lowercase
I i 1
II ii 2
III iii 3
IV iv 4
V v 5
VI vi 6
VII vii 7
VIII viii 8
IX ix 9
X x 10
XI xi 11
XII xii 12
XIII xiii 13
XIV xiv 14
XV xv 15
XVI xvi 16
XVII xvii 17
XVIII xviii 18
XIX xix 19
XX xx 20
XXI xxi 21
XXII xxii 22
XXIII xxiii 23
XXX xxx 30
XL xl 40
L l 50
LX lx 60
LXX lxx 70
LXXX lxxx 80
XC xc 90
C c 100
CC cc 200
CCC ccc 300
CD cd 400
D d 500
M m 1000