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How to use Roman Numeral Converter
Roman Numeral Converter. Numbers ↔ Roman numerals (1–3999). MMXXVI.
The short answer
To convert to Roman numerals, break the number into thousands, hundreds, tens and ones: 1994 = M + CM + XC + IV = MCMXCIV. ClickZM converts both ways and rejects invalid numerals such as IIII or IC.
It runs in your browser. What you enter is not uploaded.
How to use it
Enter your values in the fields; defaults show a worked example.
Pick the units or options that apply to you.
Read the result, which updates instantly as you type.
Check the formula note under the result to see exactly how it was worked out.
Limits worth knowing
What is 2026 in Roman numerals? MMXXVI.
Is there a Roman numeral for zero? No. The Romans had no numeral for zero, and standard numerals stop at 3,999 (MMMCMXCIX).