Roman numerals – Ancient Roman numbers

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Claudia Pieris: portrait bust on her marble tombstone, dedicated by her husband Annius Telesphorus; inscription (CIL VI.15543). 117-138 CE. Copenhagen, Ny Carlsberg Glyptotek.

Claudia Pieris’ tombstone (CIL VI.15543) She lived 117-138 AD. Now in Copenhagen, at the Ny Carlsberg Glyptotek.

The Romans used several different systems for writing numbers. Sometimes they wrote numbers like this: I II III IV V and other times they used the Greek numbers. Roman people didn’t always write numbers the same way, either – people knew what you meant even if you did it a little differently.

On this Roman woman’s tombstone from the time of the emperor Hadrian, the last line shows how long she lived. It starts with QVA-VIX-AN – that’s short for “Who lived in years…” and then it shows how many years, how many months, and how many days. Can you work it out?

Here’s a table showing all of the Roman numerals.

 

I 1 L 50
II 2 C 100
III 3 D 500
IV (or IIII) 4 M 1000
V 5
VI 6
VII 7
VIII 8
IX (or VIIII) 9
X 10

So MMIII is 2003, and XXIV is 24, and CLVII is 157. (Putting a bigger number like V after a smaller number like I means “1 less than 5” or 4).

Want some more practice? Try writing these numbers in Roman numbers (see the second page for the answers):

314

26

1975

2010

More about Roman numerals

Bibliography and further reading about Roman numbers:

 

Indian numbers
More about Roman Numbers
Roman Science
Ancient Rome
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By | 2017-09-04T18:16:56+00:00 September 4th, 2017|Math, Romans, Science|0 Comments
Cite this page: Carr, K.E. Roman numerals – Ancient Roman numbers. Quatr.us Study Guides, September 4, 2017. Web. December 17, 2017.

About the Author:

Karen Carr

Karen Carr is Associate Professor Emerita, Department of History, Portland State University. She holds a doctorate in Classical Art and Archaeology from the University of Michigan. Follow her on Instagram, Pinterest, or Twitter, or buy her book, Vandals to Visigoths.

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