 Roman Numerals
Enter a whole number such as 2003, or a Roman numeral such as MMIII, then click Convert.
The Basics
A smaller number in front of a larger number means subtraction, all else means addition. For example, IV means 4, VI means 6.
You would not put more than one smaller number in front of a larger number to subtract. For example, IIV would not mean 3. |
| I |
The numeral one. II is two, III is three. You seldom see IIII as 4, since IV can also mean 4, plus its shorter to write. |
| V |
The numeral 5. IV is 4, VI is 6, VII is 7, VIII is 8. |
| X |
The numeral 10. IX is 9, XI is 11, etc. |
| L |
The numeral 50. XL would be 40. |
| C |
The numeral 100. Think of Century having a hundred years. C is short for the latin word Centum, but thats not to easy to remember. |
| D |
The numeral 500. |
| M |
The numeral 1000. |
| Sometimes you will see a numeral with a line over it. That means to multiply it by 1000. A numeral V with a line over it means 5000. |
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