Is there a Roman numeral for zero?
The short answer, then the history behind it.
The answer
There is no Roman numeral for zero. The standard system runs from I (one) upward and simply has no symbol for nothing. When Romans needed to say none of something, they wrote the Latin word nulla or nihil, not a numeral.
Why the system never needed one
Roman numerals are additive: each letter is worth the same amount wherever it appears, and you total the letters up. Our own numbers are positional, where the column a digit sits in changes its value, so we need a zero to hold an empty column and keep 205 from collapsing into 25. Roman numerals have no columns to hold open, so a zero would do no work. That is the real reason it is missing, not an oversight.
The closest thing to a Roman zero
There is one historical near-miss. Around 725 AD the English monk Bede, working on the date of Easter, used the letter N, the initial of nulla (nothing), to mark an empty value in his astronomical tables. It let his arithmetic line up, but it stayed a scribe's shorthand inside a table and never entered the numeral system proper. So the honest answer is that Roman numerals have no zero, with a single medieval N as the exception that proves the rule.
Frequently asked questions
Is there a Roman numeral for zero?
No. Standard Roman numerals have no symbol for zero. The system begins at I for one and has no sign for nothing, because it is additive rather than place-value.
What is the Roman numeral for 0?
There is none in standard use. The nearest historical example is the letter N, standing for the Latin nulla, meaning nothing, which was used in medieval tables rather than as a true numeral.
Did the Romans have a zero?
Not as a numeral. Romans wrote nulla or nihil, the Latin words for nothing, when they needed to express none of something. A dedicated zero digit came later, with the Hindu-Arabic system.
Who used N for zero in Roman numerals?
The English monk Bede used N, for nulla, in astronomical tables around 725 AD. It marked an empty value in a table, but it never became part of the standard numeral system.
Why did Roman numerals not need a zero?
Because the notation is additive, not positional. Each symbol carries a fixed value wherever it sits, so there is no empty column to fill. A place-value system like ours needs a zero to hold a column; Roman numerals never do.
Related
Last updated July 22, 2026. Reviewed for accuracy against the standard rules for Roman numerals.