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 |