Updated: 2026-07-11
Free online number to Roman numeral converter. Convert Arabic numbers (1-3999) to Roman numerals, and vice versa. Real-time conversion as you type. Includes complete Roman numeral reference chart and rules. Perfect for learning, history, document formatting, clock face design. Client-side only.
MMXXIV
2024
| Symbol | I | V | X | L | C | D | M |
|---|---|---|---|---|---|---|---|
| Value | 1 | 5 | 10 | 50 | 100 | 500 | 1000 |
How to Use the Number to Roman Numeral Converter
Converting with the Number to Roman Numeral Converter takes just three steps:
-
Enter the Value to Convert
Type or paste the value you want to convert into the input area. The number to roman numeral converter supports various input formats — just enter your data and the tool will recognize it automatically. -
Select Source and Target Formats
Choose the source format and the target format from the available options. The tool supports bidirectional conversion where applicable. Your settings are applied instantly. -
Get Your Conversion Result
The converted result appears in real time. Click "Copy" to copy it to your clipboard, or "Download" to save it. All conversion is done locally on your device with no server upload.
FAQ
What range of numbers can I convert?
You can convert Arabic numbers from 1 to 3999. This covers the standard range for Roman numeral notation.
Can I convert Roman numerals back to Arabic numbers?
Yes! Simply type a Roman numeral in the input field and the corresponding Arabic number will appear instantly.
Does this tool work offline?
Yes. All conversions are performed entirely in your browser using client-side JavaScript. No data is ever sent to a server.