Roman Date Converter

Roman Date Converter

Convert dates to and from Roman numeral format for historical references, decorative inscriptions, and educational purposes

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Quick Presets
Common date conversions for quick testing
Input & Settings
Choose a direction, enter a date or Roman numeral date, and convert in one step.
How it works: Converts dates to and from Roman numeral format using dot-separated notation (Month.Day.Year). Each part is individually converted between Arabic numbers and Roman numerals. Years are supported from 1 to 3999.
Roman Date Format Reference

Months

I = January
II = February
III = March
IV = April

More Months

V = May
VI = June
VII = July
VIII = August

Late Months

IX = September
X = October
XI = November
XII = December

Example Dates

I.I.MMXXVI = Jan 1, 2026
VII.IV.MMXXVI = Jul 4, 2026
XII.XXV.MMXXV = Dec 25, 2025

Complete Guide: Roman Date Converter

Everything you need to know about using this tool effectively

What is Roman Numeral Date Converter?

The Roman Numeral Date Converter transforms calendar dates into Roman numeral notation and converts Roman numeral dates back to standard dates. You enter a date and the tool outputs it in Roman numerals (e.g., March 15, 2024 becomes III.XV.MMXXIV). It supports multiple output formats. All processing happens in the browser.

This tool parses a date into day, month, and year components, converts each to Roman numerals using standard notation (I through M), and combines them with a separator. It also works in reverse, parsing Roman numeral dates back to standard format.

Key Features
Converts dates to Roman numeral format
Reverse conversion from Roman numerals to dates
Multiple output format options (dots, slashes, spaces)
Handles all valid calendar dates
Copy result to clipboard
Runs in the browser with no uploads
Supports different date input formats
Shows day, month, and year separately
Common Use Cases
When and why you might need this tool

Getting a date tattoo

Convert a meaningful date (birthday, anniversary) to Roman numerals for a tattoo design.

Formal invitations and certificates

Convert the event date to Roman numerals for a formal or classical look.

Decoding Roman numeral dates

Enter a Roman numeral date from a monument or document and convert it to a standard date.

Historical date notation

Convert modern dates to Roman numerals for use in historical or academic contexts.

How to Use This Tool
Step-by-step guide to get the best results
1

Enter a date

Type or select a date in standard format.

2

Choose format

Select the output separator (dots, slashes, spaces).

3

View the result

The tool shows the date in Roman numerals.

4

Copy the result

Copy the Roman numeral date for use in your project.

Pro Tips
1

Roman numerals use I (1), V (5), X (10), L (50), C (100), D (500), M (1000).

2

The year 2024 is MMXXIV (M + M + X + X + IV).

3

For tattoos, use dots between components: III.XV.MMXXIV.

4

Double-check the Roman numeral output before getting a permanent tattoo.

Frequently Asked Questions
How does the conversion work?

The tool splits the date into day, month, and year, converts each number to Roman numerals, and joins them with a separator.

Can I convert Roman numerals back to a date?

Yes. Enter a Roman numeral date and the tool parses it back to standard format.

Is my data sent to a server?

No. All conversion happens in your browser. Nothing is transmitted.

What date formats are supported?

The tool supports common date formats and allows you to choose the output separator (dots, slashes, or spaces).

Is this suitable for tattoos?

Many people use this tool to generate Roman numeral dates for tattoos. Always double-check the output before making it permanent.