1000 in Roman Numerals

The number 1000 written in Roman numerals is M.

1000
=
M
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Looking up the other way? M in Arabic numbers is 1000. Use the full converter to enter any Roman numeral:

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Frequently asked questions
What is 1000 in Roman numerals?
1000 in Roman numerals is M. The symbol M has a value of 1000.
How do you write 1000 in Roman numerals?
To write 1000 in Roman numerals, identify the largest Roman symbols that fit: 1000 = M. Write them left to right: M.
What does M mean?
M is the Roman numeral for 1000. The single symbol M represents 1000.
What is the range of Roman numerals?
Standard Roman numerals cover 1 to 3,999 (I to MMMCMXCIX). Numbers outside this range cannot be represented with the classic seven symbols: I, V, X, L, C, D, M.
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