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Type standard decimal numbers to instantly convert them into Classic Unicode Roman Numerals.
1 · Type a number (converts standard numbers to Roman Numerals)
Write standard decimal digits (e.g. 45, 2026) then press enter or space to convert.
Type any positive integer up to 3999 to translate it into Roman numerals.
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The Roman numeral system uses seven primary symbols as building blocks. Combining these letters represents any positive decimal number:
| Roman Symbol (Unicode) | Roman Letter (Standard) | Decimal Value | Description |
|---|---|---|---|
| Ⅰ | I | 1 | Single unit |
| Ⅳ | IV | 4 | Subtractive notation (5 - 1) |
| Ⅴ | V | 5 | Five units |
| Ⅸ | IX | 9 | Subtractive notation (10 - 1) |
| Ⅹ | X | 10 | Ten units |
| ⅩⅬ | XL | 40 | Subtractive notation (50 - 10) |
| Ⅼ | L | 50 | Fifty units |
| ⅩⅭ | XC | 90 | Subtractive notation (100 - 10) |
| Ⅽ | C | 100 | One hundred units (Centum) |
| ⅭⅮ | CD | 400 | Subtractive notation (500 - 100) |
| Ⅾ | D | 500 | Five hundred units |
| ⅭⅯ | CM | 900 | Subtractive notation (1000 - 100) |
| Ⅿ | M | 1000 | One thousand units (Mille) |
1 to 100 Roman Numbers Chart
Use this responsive chart to quickly look up decimal values from 1 to 100 mapped to their correct Roman numeral symbols:
How the Roman Numeral System Works
Roman numerals originate in ancient Rome and remained the standard way of writing numbers throughout Europe well into the Late Middle Ages. Numbers in this system are represented by combinations of letters from the Latin alphabet. The system is additive and subtractive based on the position of the letters:
- Additive Rule: If a symbol is followed by another symbol of equal or lesser value, the values are added. For example, ⅩⅠ represents 11 (10 + 1), and ⅩⅤ represents 15 (10 + 5).
- Subtractive Rule: If a symbol is placed before another symbol of greater value, the value is subtracted. For example, ⅠⅤ represents 4 (5 - 1), and ⅩⅬ represents 40 (50 - 10).
- Repetition Limit: A symbol should not be repeated more than three consecutive times (e.g. 4 is written as ⅠⅤ, not ⅠⅠⅠⅠ).
How to Typeset Roman Numbers in Digital Documents
In addition to using standard Latin alphabetical letters (I, V, X, L, C, D, M), modern computers support a dedicated Unicode character block specifically for Roman Numerals (range U+2160 to U+217F). These characters ensure that screen readers read the glyphs as numbers rather than individual letters, and they prevent wrapping or kerning split issues in scientific publishing.
Frequently Asked Questions (FAQ)
What are Roman numerals?
Roman numerals are an ancient numeral system originating in Rome, using combinations of letters from the Latin alphabet (I, V, X, L, C, D, M) to represent positive integer values.
How to put Roman numbers in Google Docs?
You can type them manually using standard uppercase letters (I, V, X, L, C, D, M), or insert official Unicode Roman symbols via **Insert > Special Characters**. Alternatively, use our tool to convert any number, copy it, and paste it directly into your doc.
What is L in Roman numbers?
In the Roman numeral system, the letter **L** represents the decimal number **50**.
What is X in Roman numbers?
In the Roman numeral system, the letter **X** represents the decimal number **10**.
What is V in Roman numbers?
In the Roman numeral system, the letter **V** represents the decimal number **5**.
What is IV in Roman numbers?
The symbol **IV** represents the decimal number **4**. It combines Ⅰ (1) and Ⅴ (5), where the smaller value placed before the larger value signifies subtraction (5 - 1 = 4).
How to make page numbers Roman numerals in Google Docs?
Double-click the header or footer section of your document, click on **Options > Page Numbers**, and set your starting page. Then, to use Roman formatting, select the numbering drop-down settings and click on lowercase or uppercase roman formats to change the page numbers from standard digits to Roman numerals.
What are the numbers in Roman numerals?
All Roman numerals are composed of combinations of seven base symbols: **I** (1), **V** (5), **X** (10), **L** (50), **C** (100), **D** (500), and **M** (1000).